64441375

素因数分解:

$5^3\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:276

約数の個数: 32

約数和(自身を含む): 83700864

約数和(自身を除く): 19259489

約数列:

[1, 5, 25, 53, 71, 125, 137, 265, 355, 685, 1325, 1775, 3425, 3763, 6625, 7261, 8875, 9727, 17125, 18815, 36305, 48635, 94075, 181525, 243175, 470375, 515531, 907625, 1215875, 2577655, 12888275, 64441375]

約数ペア:

[(1, 64441375), (5, 12888275), (25, 2577655), (53, 1215875), (71, 907625), (125, 515531), (137, 470375), (265, 243175), (355, 181525), (685, 94075), (1325, 48635), (1775, 36305), (3425, 18815), (3763, 17125), (6625, 9727), (7261, 8875)]