82788290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20543}}^1$

素因数の和:20594

約数の個数: 32

約数和(自身を含む): 165666816

約数和(自身を除く): 82878526

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 20543, 41086, 102715, 205430, 267059, 534118, 636833, 1273666, 1335295, 2670590, 3184165, 6368330, 8278829, 16557658, 41394145, 82788290]

約数ペア:

[(1, 82788290), (2, 41394145), (5, 16557658), (10, 8278829), (13, 6368330), (26, 3184165), (31, 2670590), (62, 1335295), (65, 1273666), (130, 636833), (155, 534118), (310, 267059), (403, 205430), (806, 102715), (2015, 41086), (4030, 20543)]