78990052

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{359}}^1\times {\mathrm{821}}^1$

素因数の和:1251

約数の個数: 24

約数和(自身を含む): 140857920

約数和(自身を除く): 61867868

約数列:

[1, 2, 4, 67, 134, 268, 359, 718, 821, 1436, 1642, 3284, 24053, 48106, 55007, 96212, 110014, 220028, 294739, 589478, 1178956, 19747513, 39495026, 78990052]

約数ペア:

[(1, 78990052), (2, 39495026), (4, 19747513), (67, 1178956), (134, 589478), (268, 294739), (359, 220028), (718, 110014), (821, 96212), (1436, 55007), (1642, 48106), (3284, 24053)]