2775890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:314

約数の個数: 32

約数和(自身を含む): 5455296

約数和(自身を除く): 2679406

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 163, 262, 326, 655, 815, 1310, 1630, 1703, 2119, 3406, 4238, 8515, 10595, 17030, 21190, 21353, 42706, 106765, 213530, 277589, 555178, 1387945, 2775890]

約数ペア:

[(1, 2775890), (2, 1387945), (5, 555178), (10, 277589), (13, 213530), (26, 106765), (65, 42706), (130, 21353), (131, 21190), (163, 17030), (262, 10595), (326, 8515), (655, 4238), (815, 3406), (1310, 2119), (1630, 1703)]