205121158868

素因数分解:

$2^2\times {\mathrm{617}}^1\times {\mathrm{823}}^1\times {\mathrm{100987}}^1$

素因数の和:102431

約数の個数: 24

約数和(自身を含む): 359984248512

約数和(自身を除く): 154863089644

約数列:

[1, 2, 4, 617, 823, 1234, 1646, 2468, 3292, 100987, 201974, 403948, 507791, 1015582, 2031164, 62308979, 83112301, 124617958, 166224602, 249235916, 332449204, 51280289717, 102560579434, 205121158868]

約数ペア:

[(1, 205121158868), (2, 102560579434), (4, 51280289717), (617, 332449204), (823, 249235916), (1234, 166224602), (1646, 124617958), (2468, 83112301), (3292, 62308979), (100987, 2031164), (201974, 1015582), (403948, 507791)]