331325852

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{2621}}^1$

素因数の和:2679

約数の個数: 72

約数和(自身を含む): 725496912

約数和(自身を除く): 394171060

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 169, 187, 221, 286, 338, 374, 442, 572, 676, 748, 884, 1859, 2431, 2621, 2873, 3718, 4862, 5242, 5746, 7436, 9724, 10484, 11492, 28831, 31603, 34073, 44557, 57662, 63206, 68146, 89114, 115324, 126412, 136292, 178228, 374803, 442949, 490127, 579241, 749606, 885898, 980254, 1158482, 1499212, 1771796, 1960508, 2316964, 4872439, 6371651, 7530133, 9744878, 12743302, 15060266, 19489756, 25486604, 30120532, 82831463, 165662926, 331325852]

約数ペア:

[(1, 331325852), (2, 165662926), (4, 82831463), (11, 30120532), (13, 25486604), (17, 19489756), (22, 15060266), (26, 12743302), (34, 9744878), (44, 7530133), (52, 6371651), (68, 4872439), (143, 2316964), (169, 1960508), (187, 1771796), (221, 1499212), (286, 1158482), (338, 980254), (374, 885898), (442, 749606), (572, 579241), (676, 490127), (748, 442949), (884, 374803), (1859, 178228), (2431, 136292), (2621, 126412), (2873, 115324), (3718, 89114), (4862, 68146), (5242, 63206), (5746, 57662), (7436, 44557), (9724, 34073), (10484, 31603), (11492, 28831)]