1971520804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{90887}}^1$

素因数の和:90948

約数の個数: 48

約数和(自身を含む): 4122679680

約数和(自身を除く): 2151158876

約数列:

[1, 2, 4, 11, 17, 22, 29, 34, 44, 58, 68, 116, 187, 319, 374, 493, 638, 748, 986, 1276, 1972, 5423, 10846, 21692, 90887, 181774, 363548, 999757, 1545079, 1999514, 2635723, 3090158, 3999028, 5271446, 6180316, 10542892, 16995869, 28992953, 33991738, 44807291, 57985906, 67983476, 89614582, 115971812, 179229164, 492880201, 985760402, 1971520804]

約数ペア:

[(1, 1971520804), (2, 985760402), (4, 492880201), (11, 179229164), (17, 115971812), (22, 89614582), (29, 67983476), (34, 57985906), (44, 44807291), (58, 33991738), (68, 28992953), (116, 16995869), (187, 10542892), (319, 6180316), (374, 5271446), (493, 3999028), (638, 3090158), (748, 2635723), (986, 1999514), (1276, 1545079), (1972, 999757), (5423, 363548), (10846, 181774), (21692, 90887)]