254244928

素因数分解:

$2^6\times 7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:313

約数の個数: 168

約数和(自身を含む): 656722080

約数和(自身を除く): 402477152

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 32, 34, 38, 49, 56, 64, 68, 76, 98, 112, 119, 133, 136, 152, 196, 224, 238, 251, 266, 272, 304, 323, 392, 448, 476, 502, 532, 544, 608, 646, 784, 833, 931, 952, 1004, 1064, 1088, 1216, 1292, 1568, 1666, 1757, 1862, 1904, 2008, 2128, 2261, 2584, 3136, 3332, 3514, 3724, 3808, 4016, 4256, 4267, 4522, 4769, 5168, 6664, 7028, 7448, 7616, 8032, 8512, 8534, 9044, 9538, 10336, 12299, 13328, 14056, 14896, 15827, 16064, 17068, 18088, 19076, 20672, 24598, 26656, 28112, 29792, 29869, 31654, 33383, 34136, 36176, 38152, 49196, 53312, 56224, 59584, 59738, 63308, 66766, 68272, 72352, 76304, 81073, 98392, 112448, 119476, 126616, 133532, 136544, 144704, 152608, 162146, 196784, 209083, 233681, 238952, 253232, 267064, 273088, 305216, 324292, 393568, 418166, 467362, 477904, 506464, 534128, 567511, 648584, 787136, 836332, 934724, 955808, 1012928, 1068256, 1135022, 1297168, 1672664, 1869448, 1911616, 2136512, 2270044, 2594336, 3345328, 3738896, 3972577, 4540088, 5188672, 6690656, 7477792, 7945154, 9080176, 13381312, 14955584, 15890308, 18160352, 31780616, 36320704, 63561232, 127122464, 254244928]

約数ペア:

[(1, 254244928), (2, 127122464), (4, 63561232), (7, 36320704), (8, 31780616), (14, 18160352), (16, 15890308), (17, 14955584), (19, 13381312), (28, 9080176), (32, 7945154), (34, 7477792), (38, 6690656), (49, 5188672), (56, 4540088), (64, 3972577), (68, 3738896), (76, 3345328), (98, 2594336), (112, 2270044), (119, 2136512), (133, 1911616), (136, 1869448), (152, 1672664), (196, 1297168), (224, 1135022), (238, 1068256), (251, 1012928), (266, 955808), (272, 934724), (304, 836332), (323, 787136), (392, 648584), (448, 567511), (476, 534128), (502, 506464), (532, 477904), (544, 467362), (608, 418166), (646, 393568), (784, 324292), (833, 305216), (931, 273088), (952, 267064), (1004, 253232), (1064, 238952), (1088, 233681), (1216, 209083), (1292, 196784), (1568, 162146), (1666, 152608), (1757, 144704), (1862, 136544), (1904, 133532), (2008, 126616), (2128, 119476), (2261, 112448), (2584, 98392), (3136, 81073), (3332, 76304), (3514, 72352), (3724, 68272), (3808, 66766), (4016, 63308), (4256, 59738), (4267, 59584), (4522, 56224), (4769, 53312), (5168, 49196), (6664, 38152), (7028, 36176), (7448, 34136), (7616, 33383), (8032, 31654), (8512, 29869), (8534, 29792), (9044, 28112), (9538, 26656), (10336, 24598), (12299, 20672), (13328, 19076), (14056, 18088), (14896, 17068), (15827, 16064)]