1640804072

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{331}}^1\times {\mathrm{16747}}^1$

素因数の和:17121

約数の個数: 32

約数和(自身を含む): 3169391520

約数和(自身を除く): 1528587448

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 331, 662, 1324, 2648, 12247, 16747, 24494, 33494, 48988, 66988, 97976, 133976, 619639, 1239278, 2478556, 4957112, 5543257, 11086514, 22173028, 44346056, 205100509, 410201018, 820402036, 1640804072]

約数ペア:

[(1, 1640804072), (2, 820402036), (4, 410201018), (8, 205100509), (37, 44346056), (74, 22173028), (148, 11086514), (296, 5543257), (331, 4957112), (662, 2478556), (1324, 1239278), (2648, 619639), (12247, 133976), (16747, 97976), (24494, 66988), (33494, 48988)]