31906589

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 8010211

約数列:

[1, 11, 13, 23, 89, 109, 143, 253, 299, 979, 1157, 1199, 1417, 2047, 2507, 3289, 9701, 12727, 15587, 22517, 26611, 27577, 32591, 106711, 126113, 223123, 292721, 358501, 1387243, 2454353, 2900599, 31906589]

約数ペア:

[(1, 31906589), (11, 2900599), (13, 2454353), (23, 1387243), (89, 358501), (109, 292721), (143, 223123), (253, 126113), (299, 106711), (979, 32591), (1157, 27577), (1199, 26611), (1417, 22517), (2047, 15587), (2507, 12727), (3289, 9701)]