51279215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 68475456

約数和(自身を除く): 17196241

約数列:

[1, 5, 13, 65, 73, 101, 107, 365, 505, 535, 949, 1313, 1391, 4745, 6565, 6955, 7373, 7811, 10807, 36865, 39055, 54035, 95849, 101543, 140491, 479245, 507715, 702455, 788911, 3944555, 10255843, 51279215]

約数ペア:

[(1, 51279215), (5, 10255843), (13, 3944555), (65, 788911), (73, 702455), (101, 507715), (107, 479245), (365, 140491), (505, 101543), (535, 95849), (949, 54035), (1313, 39055), (1391, 36865), (4745, 10807), (6565, 7811), (6955, 7373)]