31025390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12263}}^1$

素因数の和:12304

約数の個数: 32

約数和(自身を含む): 63576576

約数和(自身を除く): 32551186

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 12263, 24526, 61315, 122630, 134893, 269786, 282049, 564098, 674465, 1348930, 1410245, 2820490, 3102539, 6205078, 15512695, 31025390]

約数ペア:

[(1, 31025390), (2, 15512695), (5, 6205078), (10, 3102539), (11, 2820490), (22, 1410245), (23, 1348930), (46, 674465), (55, 564098), (110, 282049), (115, 269786), (230, 134893), (253, 122630), (506, 61315), (1265, 24526), (2530, 12263)]