81336416

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{659}}^1$

素因数の和:724

約数の個数: 96

約数和(自身を含む): 199584000

約数和(自身を除く): 118247584

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 29, 32, 38, 56, 58, 76, 112, 116, 133, 152, 203, 224, 232, 266, 304, 406, 464, 532, 551, 608, 659, 812, 928, 1064, 1102, 1318, 1624, 2128, 2204, 2636, 3248, 3857, 4256, 4408, 4613, 5272, 6496, 7714, 8816, 9226, 10544, 12521, 15428, 17632, 18452, 19111, 21088, 25042, 30856, 36904, 38222, 50084, 61712, 73808, 76444, 87647, 100168, 123424, 133777, 147616, 152888, 175294, 200336, 267554, 305776, 350588, 363109, 400672, 535108, 611552, 701176, 726218, 1070216, 1402352, 1452436, 2140432, 2541763, 2804704, 2904872, 4280864, 5083526, 5809744, 10167052, 11619488, 20334104, 40668208, 81336416]

約数ペア:

[(1, 81336416), (2, 40668208), (4, 20334104), (7, 11619488), (8, 10167052), (14, 5809744), (16, 5083526), (19, 4280864), (28, 2904872), (29, 2804704), (32, 2541763), (38, 2140432), (56, 1452436), (58, 1402352), (76, 1070216), (112, 726218), (116, 701176), (133, 611552), (152, 535108), (203, 400672), (224, 363109), (232, 350588), (266, 305776), (304, 267554), (406, 200336), (464, 175294), (532, 152888), (551, 147616), (608, 133777), (659, 123424), (812, 100168), (928, 87647), (1064, 76444), (1102, 73808), (1318, 61712), (1624, 50084), (2128, 38222), (2204, 36904), (2636, 30856), (3248, 25042), (3857, 21088), (4256, 19111), (4408, 18452), (4613, 17632), (5272, 15428), (6496, 12521), (7714, 10544), (8816, 9226)]