87771828

素因数分解:

$2^2\times 3^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{521}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 208716480

約数和(自身を除く): 120944652

約数列:

[1, 2, 3, 4, 6, 12, 101, 139, 202, 278, 303, 404, 417, 521, 556, 606, 834, 1042, 1212, 1563, 1668, 2084, 3126, 6252, 14039, 28078, 42117, 52621, 56156, 72419, 84234, 105242, 144838, 157863, 168468, 210484, 217257, 289676, 315726, 434514, 631452, 869028, 7314319, 14628638, 21942957, 29257276, 43885914, 87771828]

約数ペア:

[(1, 87771828), (2, 43885914), (3, 29257276), (4, 21942957), (6, 14628638), (12, 7314319), (101, 869028), (139, 631452), (202, 434514), (278, 315726), (303, 289676), (404, 217257), (417, 210484), (521, 168468), (556, 157863), (606, 144838), (834, 105242), (1042, 84234), (1212, 72419), (1563, 56156), (1668, 52621), (2084, 42117), (3126, 28078), (6252, 14039)]