31770570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81463}}^1$

素因数の和:81486

約数の個数: 32

約数和(自身を含む): 82115712

約数和(自身を除く): 50345142

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 81463, 162926, 244389, 407315, 488778, 814630, 1059019, 1221945, 2118038, 2443890, 3177057, 5295095, 6354114, 10590190, 15885285, 31770570]

約数ペア:

[(1, 31770570), (2, 15885285), (3, 10590190), (5, 6354114), (6, 5295095), (10, 3177057), (13, 2443890), (15, 2118038), (26, 1221945), (30, 1059019), (39, 814630), (65, 488778), (78, 407315), (130, 244389), (195, 162926), (390, 81463)]