31987384

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{27961}}^1$

素因数の和:27991

約数の個数: 32

約数和(自身を含む): 70464240

約数和(自身を除く): 38476856

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 27961, 55922, 111844, 223688, 307571, 363493, 615142, 726986, 1230284, 1453972, 2460568, 2907944, 3998423, 7996846, 15993692, 31987384]

約数ペア:

[(1, 31987384), (2, 15993692), (4, 7996846), (8, 3998423), (11, 2907944), (13, 2460568), (22, 1453972), (26, 1230284), (44, 726986), (52, 615142), (88, 363493), (104, 307571), (143, 223688), (286, 111844), (572, 55922), (1144, 27961)]