30787978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{2953}}^1$

素因数の和:3369

約数の個数: 16

約数和(自身を含む): 49875336

約数和(自身を除く): 19087358

約数列:

[1, 2, 13, 26, 401, 802, 2953, 5213, 5906, 10426, 38389, 76778, 1184153, 2368306, 15393989, 30787978]

約数ペア:

[(1, 30787978), (2, 15393989), (13, 2368306), (26, 1184153), (401, 76778), (802, 38389), (2953, 10426), (5213, 5906)]