208455005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1187}}^1$

素因数の和:1337

約数の個数: 32

約数和(自身を含む): 284663808

約数和(自身を除く): 76208803

約数列:

[1, 5, 11, 31, 55, 103, 155, 341, 515, 1133, 1187, 1705, 3193, 5665, 5935, 13057, 15965, 35123, 36797, 65285, 122261, 175615, 183985, 404767, 611305, 1344871, 2023835, 3790091, 6724355, 18950455, 41691001, 208455005]

約数ペア:

[(1, 208455005), (5, 41691001), (11, 18950455), (31, 6724355), (55, 3790091), (103, 2023835), (155, 1344871), (341, 611305), (515, 404767), (1133, 183985), (1187, 175615), (1705, 122261), (3193, 65285), (5665, 36797), (5935, 35123), (13057, 15965)]