15428425

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 19865792

約数和(自身を除く): 4437367

約数列:

[1, 5, 25, 61, 67, 151, 305, 335, 755, 1525, 1675, 3775, 4087, 9211, 10117, 20435, 46055, 50585, 102175, 230275, 252925, 617137, 3085685, 15428425]

約数ペア:

[(1, 15428425), (5, 3085685), (25, 617137), (61, 252925), (67, 230275), (151, 102175), (305, 50585), (335, 46055), (755, 20435), (1525, 10117), (1675, 9211), (3775, 4087)]