128791390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{141529}}^1$

素因数の和:141556

約数の個数: 32

約数和(自身を含む): 285324480

約数和(自身を除く): 156533090

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 141529, 283058, 707645, 990703, 1415290, 1839877, 1981406, 3679754, 4953515, 9199385, 9907030, 12879139, 18398770, 25758278, 64395695, 128791390]

約数ペア:

[(1, 128791390), (2, 64395695), (5, 25758278), (7, 18398770), (10, 12879139), (13, 9907030), (14, 9199385), (26, 4953515), (35, 3679754), (65, 1981406), (70, 1839877), (91, 1415290), (130, 990703), (182, 707645), (455, 283058), (910, 141529)]