77815970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{1153}}^1$

素因数の和:1574

約数の個数: 32

約数和(自身を含む): 148810608

約数和(自身を除く): 70994638

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 397, 794, 1153, 1985, 2306, 3970, 5765, 6749, 11530, 13498, 19601, 33745, 39202, 67490, 98005, 196010, 457741, 915482, 2288705, 4577410, 7781597, 15563194, 38907985, 77815970]

約数ペア:

[(1, 77815970), (2, 38907985), (5, 15563194), (10, 7781597), (17, 4577410), (34, 2288705), (85, 915482), (170, 457741), (397, 196010), (794, 98005), (1153, 67490), (1985, 39202), (2306, 33745), (3970, 19601), (5765, 13498), (6749, 11530)]