12979390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1$

素因数の和:468

約数の個数: 32

約数和(自身を含む): 24364800

約数和(自身を除く): 11385410

約数列:

[1, 2, 5, 10, 31, 62, 149, 155, 281, 298, 310, 562, 745, 1405, 1490, 2810, 4619, 8711, 9238, 17422, 23095, 41869, 43555, 46190, 83738, 87110, 209345, 418690, 1297939, 2595878, 6489695, 12979390]

約数ペア:

[(1, 12979390), (2, 6489695), (5, 2595878), (10, 1297939), (31, 418690), (62, 209345), (149, 87110), (155, 83738), (281, 46190), (298, 43555), (310, 41869), (562, 23095), (745, 17422), (1405, 9238), (1490, 8711), (2810, 4619)]