7945990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3217}}^1$

素因数の和:3256

約数の個数: 32

約数和(自身を含む): 16218720

約数和(自身を除く): 8272730

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 3217, 6434, 16085, 32170, 41821, 61123, 83642, 122246, 209105, 305615, 418210, 611230, 794599, 1589198, 3972995, 7945990]

約数ペア:

[(1, 7945990), (2, 3972995), (5, 1589198), (10, 794599), (13, 611230), (19, 418210), (26, 305615), (38, 209105), (65, 122246), (95, 83642), (130, 61123), (190, 41821), (247, 32170), (494, 16085), (1235, 6434), (2470, 3217)]