278339964

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{3313571}}^1$

素因数の和:3313585

約数の個数: 24

約数和(自身を含む): 742240128

約数和(自身を除く): 463900164

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 3313571, 6627142, 9940713, 13254284, 19881426, 23194997, 39762852, 46389994, 69584991, 92779988, 139169982, 278339964]

約数ペア:

[(1, 278339964), (2, 139169982), (3, 92779988), (4, 69584991), (6, 46389994), (7, 39762852), (12, 23194997), (14, 19881426), (21, 13254284), (28, 9940713), (42, 6627142), (84, 3313571)]