31185516

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{1097}}^1$

素因数の和:1230

約数の個数: 48

約数和(自身を含む): 76737024

約数和(自身を除く): 45551508

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 103, 138, 206, 276, 309, 412, 618, 1097, 1236, 2194, 2369, 3291, 4388, 4738, 6582, 7107, 9476, 13164, 14214, 25231, 28428, 50462, 75693, 100924, 112991, 151386, 225982, 302772, 338973, 451964, 677946, 1355892, 2598793, 5197586, 7796379, 10395172, 15592758, 31185516]

約数ペア:

[(1, 31185516), (2, 15592758), (3, 10395172), (4, 7796379), (6, 5197586), (12, 2598793), (23, 1355892), (46, 677946), (69, 451964), (92, 338973), (103, 302772), (138, 225982), (206, 151386), (276, 112991), (309, 100924), (412, 75693), (618, 50462), (1097, 28428), (1236, 25231), (2194, 14214), (2369, 13164), (3291, 9476), (4388, 7107), (4738, 6582)]