291121952

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:167

約数の個数: 144

約数和(自身を含む): 691286400

約数和(自身を除く): 400164448

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 29, 32, 38, 44, 58, 76, 79, 88, 116, 152, 158, 176, 209, 232, 304, 316, 319, 352, 361, 418, 464, 551, 608, 632, 638, 722, 836, 869, 928, 1102, 1264, 1276, 1444, 1501, 1672, 1738, 2204, 2291, 2528, 2552, 2888, 3002, 3344, 3476, 3971, 4408, 4582, 5104, 5776, 6004, 6061, 6688, 6952, 7942, 8816, 9164, 10208, 10469, 11552, 12008, 12122, 13904, 15884, 16511, 17632, 18328, 20938, 24016, 24244, 25201, 27808, 28519, 31768, 33022, 36656, 41876, 43529, 48032, 48488, 50402, 57038, 63536, 66044, 73312, 83752, 87058, 96976, 100804, 114076, 115159, 127072, 132088, 167504, 174116, 193952, 201608, 228152, 230318, 264176, 313709, 335008, 348232, 403216, 456304, 460636, 478819, 528352, 627418, 696464, 806432, 827051, 912608, 921272, 957638, 1254836, 1392928, 1654102, 1842544, 1915276, 2509672, 3308204, 3685088, 3830552, 5019344, 6616408, 7661104, 9097561, 10038688, 13232816, 15322208, 18195122, 26465632, 36390244, 72780488, 145560976, 291121952]

約数ペア:

[(1, 291121952), (2, 145560976), (4, 72780488), (8, 36390244), (11, 26465632), (16, 18195122), (19, 15322208), (22, 13232816), (29, 10038688), (32, 9097561), (38, 7661104), (44, 6616408), (58, 5019344), (76, 3830552), (79, 3685088), (88, 3308204), (116, 2509672), (152, 1915276), (158, 1842544), (176, 1654102), (209, 1392928), (232, 1254836), (304, 957638), (316, 921272), (319, 912608), (352, 827051), (361, 806432), (418, 696464), (464, 627418), (551, 528352), (608, 478819), (632, 460636), (638, 456304), (722, 403216), (836, 348232), (869, 335008), (928, 313709), (1102, 264176), (1264, 230318), (1276, 228152), (1444, 201608), (1501, 193952), (1672, 174116), (1738, 167504), (2204, 132088), (2291, 127072), (2528, 115159), (2552, 114076), (2888, 100804), (3002, 96976), (3344, 87058), (3476, 83752), (3971, 73312), (4408, 66044), (4582, 63536), (5104, 57038), (5776, 50402), (6004, 48488), (6061, 48032), (6688, 43529), (6952, 41876), (7942, 36656), (8816, 33022), (9164, 31768), (10208, 28519), (10469, 27808), (11552, 25201), (12008, 24244), (12122, 24016), (13904, 20938), (15884, 18328), (16511, 17632)]