278384038

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1\times {\mathrm{3659}}^1$

素因数の和:4119

約数の個数: 16

約数和(自身を含む): 422730000

約数和(自身を除く): 144345962

約数列:

[1, 2, 109, 218, 349, 698, 3659, 7318, 38041, 76082, 398831, 797662, 1276991, 2553982, 139192019, 278384038]

約数ペア:

[(1, 278384038), (2, 139192019), (109, 2553982), (218, 1276991), (349, 797662), (698, 398831), (3659, 76082), (7318, 38041)]