38965865

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 51321600

約数和(自身を除く): 12355735

約数列:

[1, 5, 19, 53, 71, 95, 109, 265, 355, 545, 1007, 1349, 2071, 3763, 5035, 5777, 6745, 7739, 10355, 18815, 28885, 38695, 71497, 109763, 147041, 357485, 410167, 548815, 735205, 2050835, 7793173, 38965865]

約数ペア:

[(1, 38965865), (5, 7793173), (19, 2050835), (53, 735205), (71, 548815), (95, 410167), (109, 357485), (265, 147041), (355, 109763), (545, 71497), (1007, 38695), (1349, 28885), (2071, 18815), (3763, 10355), (5035, 7739), (5777, 6745)]