81923374

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2539}}^1$

素因数の和:2644

約数の個数: 32

約数和(自身を含む): 142097760

約数和(自身を除く): 60174386

約数列:

[1, 2, 13, 17, 26, 34, 73, 146, 221, 442, 949, 1241, 1898, 2482, 2539, 5078, 16133, 32266, 33007, 43163, 66014, 86326, 185347, 370694, 561119, 1122238, 2409511, 3150899, 4819022, 6301798, 40961687, 81923374]

約数ペア:

[(1, 81923374), (2, 40961687), (13, 6301798), (17, 4819022), (26, 3150899), (34, 2409511), (73, 1122238), (146, 561119), (221, 370694), (442, 185347), (949, 86326), (1241, 66014), (1898, 43163), (2482, 33007), (2539, 32266), (5078, 16133)]