397836145

素因数分解:

$5^1\times 7^2\times {\mathrm{937}}^1\times {\mathrm{1733}}^1$

素因数の和:2689

約数の個数: 24

約数和(自身を含む): 556260264

約数和(自身を除く): 158424119

約数列:

[1, 5, 7, 35, 49, 245, 937, 1733, 4685, 6559, 8665, 12131, 32795, 45913, 60655, 84917, 229565, 424585, 1623821, 8119105, 11366747, 56833735, 79567229, 397836145]

約数ペア:

[(1, 397836145), (5, 79567229), (7, 56833735), (35, 11366747), (49, 8119105), (245, 1623821), (937, 424585), (1733, 229565), (4685, 84917), (6559, 60655), (8665, 45913), (12131, 32795)]