66318850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{397}}^1$

素因数の和:679

約数の個数: 48

約数和(自身を含む): 133694568

約数和(自身を除く): 67375718

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 257, 325, 397, 514, 650, 794, 1285, 1985, 2570, 3341, 3970, 5161, 6425, 6682, 9925, 10322, 12850, 16705, 19850, 25805, 33410, 51610, 83525, 102029, 129025, 167050, 204058, 258050, 510145, 1020290, 1326377, 2550725, 2652754, 5101450, 6631885, 13263770, 33159425, 66318850]

約数ペア:

[(1, 66318850), (2, 33159425), (5, 13263770), (10, 6631885), (13, 5101450), (25, 2652754), (26, 2550725), (50, 1326377), (65, 1020290), (130, 510145), (257, 258050), (325, 204058), (397, 167050), (514, 129025), (650, 102029), (794, 83525), (1285, 51610), (1985, 33410), (2570, 25805), (3341, 19850), (3970, 16705), (5161, 12850), (6425, 10322), (6682, 9925)]