8422375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:172

約数の個数: 32

約数和(自身を含む): 11636352

約数和(自身を除く): 3213977

約数列:

[1, 5, 13, 25, 65, 71, 73, 125, 325, 355, 365, 923, 949, 1625, 1775, 1825, 4615, 4745, 5183, 8875, 9125, 23075, 23725, 25915, 67379, 115375, 118625, 129575, 336895, 647875, 1684475, 8422375]

約数ペア:

[(1, 8422375), (5, 1684475), (13, 647875), (25, 336895), (65, 129575), (71, 118625), (73, 115375), (125, 67379), (325, 25915), (355, 23725), (365, 23075), (923, 9125), (949, 8875), (1625, 5183), (1775, 4745), (1825, 4615)]