3968990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 7781184

約数和(自身を除く): 3812194

約数列:

[1, 2, 5, 10, 17, 34, 37, 74, 85, 170, 185, 370, 629, 631, 1258, 1262, 3145, 3155, 6290, 6310, 10727, 21454, 23347, 46694, 53635, 107270, 116735, 233470, 396899, 793798, 1984495, 3968990]

約数ペア:

[(1, 3968990), (2, 1984495), (5, 793798), (10, 396899), (17, 233470), (34, 116735), (37, 107270), (74, 53635), (85, 46694), (170, 23347), (185, 21454), (370, 10727), (629, 6310), (631, 6290), (1258, 3155), (1262, 3145)]