25123384

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21961}}^1$

素因数の和:21991

約数の個数: 32

約数和(自身を含む): 55344240

約数和(自身を除く): 30220856

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 21961, 43922, 87844, 175688, 241571, 285493, 483142, 570986, 966284, 1141972, 1932568, 2283944, 3140423, 6280846, 12561692, 25123384]

約数ペア:

[(1, 25123384), (2, 12561692), (4, 6280846), (8, 3140423), (11, 2283944), (13, 1932568), (22, 1141972), (26, 966284), (44, 570986), (52, 483142), (88, 285493), (104, 241571), (143, 175688), (286, 87844), (572, 43922), (1144, 21961)]