166709218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{409}}^1$

素因数の和:742

約数の個数: 32

約数和(自身を含む): 275451120

約数和(自身を除く): 108741902

約数列:

[1, 2, 13, 26, 61, 122, 257, 409, 514, 793, 818, 1586, 3341, 5317, 6682, 10634, 15677, 24949, 31354, 49898, 105113, 203801, 210226, 324337, 407602, 648674, 1366469, 2732938, 6411893, 12823786, 83354609, 166709218]

約数ペア:

[(1, 166709218), (2, 83354609), (13, 12823786), (26, 6411893), (61, 2732938), (122, 1366469), (257, 648674), (409, 407602), (514, 324337), (793, 210226), (818, 203801), (1586, 105113), (3341, 49898), (5317, 31354), (6682, 24949), (10634, 15677)]