64635688

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{757}}^1\times {\mathrm{821}}^1$

素因数の和:1597

約数の個数: 32

約数和(自身を含む): 130845960

約数和(自身を除く): 66210272

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 757, 821, 1514, 1642, 3028, 3284, 6056, 6568, 9841, 10673, 19682, 21346, 39364, 42692, 78728, 85384, 621497, 1242994, 2485988, 4971976, 8079461, 16158922, 32317844, 64635688]

約数ペア:

[(1, 64635688), (2, 32317844), (4, 16158922), (8, 8079461), (13, 4971976), (26, 2485988), (52, 1242994), (104, 621497), (757, 85384), (821, 78728), (1514, 42692), (1642, 39364), (3028, 21346), (3284, 19682), (6056, 10673), (6568, 9841)]