81212944

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{2351}}^1$

素因数の和:2503

約数の個数: 40

約数和(自身を含む): 167989248

約数和(自身を除く): 86776304

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 127, 136, 254, 272, 508, 1016, 2032, 2159, 2351, 4318, 4702, 8636, 9404, 17272, 18808, 34544, 37616, 39967, 79934, 159868, 298577, 319736, 597154, 639472, 1194308, 2388616, 4777232, 5075809, 10151618, 20303236, 40606472, 81212944]

約数ペア:

[(1, 81212944), (2, 40606472), (4, 20303236), (8, 10151618), (16, 5075809), (17, 4777232), (34, 2388616), (68, 1194308), (127, 639472), (136, 597154), (254, 319736), (272, 298577), (508, 159868), (1016, 79934), (2032, 39967), (2159, 37616), (2351, 34544), (4318, 18808), (4702, 17272), (8636, 9404)]