138877291

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{5437}}^1$

素因数の和:5574

約数の個数: 16

約数和(自身を含む): 164445120

約数和(自身を除く): 25567829

約数列:

[1, 7, 41, 89, 287, 623, 3649, 5437, 25543, 38059, 222917, 483893, 1560419, 3387251, 19839613, 138877291]

約数ペア:

[(1, 138877291), (7, 19839613), (41, 3387251), (89, 1560419), (287, 483893), (623, 222917), (3649, 38059), (5437, 25543)]