389631398

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 690923520

約数和(自身を除く): 301292122

約数列:

[1, 2, 13, 17, 26, 34, 59, 67, 118, 134, 221, 223, 442, 446, 767, 871, 1003, 1139, 1534, 1742, 2006, 2278, 2899, 3791, 3953, 5798, 7582, 7906, 13039, 13157, 14807, 14941, 26078, 26314, 29614, 29882, 49283, 51389, 67201, 98566, 102778, 134402, 171041, 194233, 223669, 253997, 342082, 388466, 447338, 507994, 873613, 881519, 1747226, 1763038, 2907697, 3301961, 5815394, 6603922, 11459747, 14985823, 22919494, 29971646, 194815699, 389631398]

約数ペア:

[(1, 389631398), (2, 194815699), (13, 29971646), (17, 22919494), (26, 14985823), (34, 11459747), (59, 6603922), (67, 5815394), (118, 3301961), (134, 2907697), (221, 1763038), (223, 1747226), (442, 881519), (446, 873613), (767, 507994), (871, 447338), (1003, 388466), (1139, 342082), (1534, 253997), (1742, 223669), (2006, 194233), (2278, 171041), (2899, 134402), (3791, 102778), (3953, 98566), (5798, 67201), (7582, 51389), (7906, 49283), (13039, 29882), (13157, 29614), (14807, 26314), (14941, 26078)]