313878719

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{5531}}^1$

素因数の和:5627

約数の個数: 24

約数和(自身を含む): 400251264

約数和(自身を除く): 86372545

約数列:

[1, 7, 11, 67, 77, 121, 469, 737, 847, 5159, 5531, 8107, 38717, 56749, 60841, 370577, 425887, 669251, 2594039, 4076347, 4684757, 28534429, 44839817, 313878719]

約数ペア:

[(1, 313878719), (7, 44839817), (11, 28534429), (67, 4684757), (77, 4076347), (121, 2594039), (469, 669251), (737, 425887), (847, 370577), (5159, 60841), (5531, 56749), (8107, 38717)]