31880464

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:368

約数の個数: 80

約数和(自身を含む): 78030720

約数和(自身を除く): 46150256

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 113, 154, 176, 226, 229, 308, 452, 458, 616, 791, 904, 916, 1232, 1243, 1582, 1603, 1808, 1832, 2486, 2519, 3164, 3206, 3664, 4972, 5038, 6328, 6412, 8701, 9944, 10076, 12656, 12824, 17402, 17633, 19888, 20152, 25648, 25877, 34804, 35266, 40304, 51754, 69608, 70532, 103508, 139216, 141064, 181139, 207016, 282128, 284647, 362278, 414032, 569294, 724556, 1138588, 1449112, 1992529, 2277176, 2898224, 3985058, 4554352, 7970116, 15940232, 31880464]

約数ペア:

[(1, 31880464), (2, 15940232), (4, 7970116), (7, 4554352), (8, 3985058), (11, 2898224), (14, 2277176), (16, 1992529), (22, 1449112), (28, 1138588), (44, 724556), (56, 569294), (77, 414032), (88, 362278), (112, 284647), (113, 282128), (154, 207016), (176, 181139), (226, 141064), (229, 139216), (308, 103508), (452, 70532), (458, 69608), (616, 51754), (791, 40304), (904, 35266), (916, 34804), (1232, 25877), (1243, 25648), (1582, 20152), (1603, 19888), (1808, 17633), (1832, 17402), (2486, 12824), (2519, 12656), (3164, 10076), (3206, 9944), (3664, 8701), (4972, 6412), (5038, 6328)]