66856868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{1951}}^1$

素因数の和:2627

約数の個数: 24

約数和(自身を含む): 126255360

約数和(自身を除く): 59398492

約数列:

[1, 2, 4, 13, 26, 52, 659, 1318, 1951, 2636, 3902, 7804, 8567, 17134, 25363, 34268, 50726, 101452, 1285709, 2571418, 5142836, 16714217, 33428434, 66856868]

約数ペア:

[(1, 66856868), (2, 33428434), (4, 16714217), (13, 5142836), (26, 2571418), (52, 1285709), (659, 101452), (1318, 50726), (1951, 34268), (2636, 25363), (3902, 17134), (7804, 8567)]