31557786

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^2$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 70275744

約数和(自身を除く): 38717958

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 97, 129, 194, 258, 291, 559, 582, 1118, 1261, 1677, 2522, 3354, 3783, 4171, 7566, 8342, 9409, 12513, 18818, 25026, 28227, 54223, 56454, 108446, 122317, 162669, 244634, 325338, 366951, 404587, 733902, 809174, 1213761, 2427522, 5259631, 10519262, 15778893, 31557786]

約数ペア:

[(1, 31557786), (2, 15778893), (3, 10519262), (6, 5259631), (13, 2427522), (26, 1213761), (39, 809174), (43, 733902), (78, 404587), (86, 366951), (97, 325338), (129, 244634), (194, 162669), (258, 122317), (291, 108446), (559, 56454), (582, 54223), (1118, 28227), (1261, 25026), (1677, 18818), (2522, 12513), (3354, 9409), (3783, 8342), (4171, 7566)]