7538425

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 9856512

約数和(自身を除く): 2318087

約数列:

[1, 5, 25, 31, 71, 137, 155, 355, 685, 775, 1775, 2201, 3425, 4247, 9727, 11005, 21235, 48635, 55025, 106175, 243175, 301537, 1507685, 7538425]

約数ペア:

[(1, 7538425), (5, 1507685), (25, 301537), (31, 243175), (71, 106175), (137, 55025), (155, 48635), (355, 21235), (685, 11005), (775, 9727), (1775, 4247), (2201, 3425)]