66887828

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2131}}^1$

素因数の和:2220

約数の個数: 48

約数和(自身を含む): 143270400

約数和(自身を除く): 76382572

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 59, 76, 118, 133, 236, 266, 413, 532, 826, 1121, 1652, 2131, 2242, 4262, 4484, 7847, 8524, 14917, 15694, 29834, 31388, 40489, 59668, 80978, 125729, 161956, 251458, 283423, 502916, 566846, 880103, 1133692, 1760206, 2388851, 3520412, 4777702, 9555404, 16721957, 33443914, 66887828]

約数ペア:

[(1, 66887828), (2, 33443914), (4, 16721957), (7, 9555404), (14, 4777702), (19, 3520412), (28, 2388851), (38, 1760206), (59, 1133692), (76, 880103), (118, 566846), (133, 502916), (236, 283423), (266, 251458), (413, 161956), (532, 125729), (826, 80978), (1121, 59668), (1652, 40489), (2131, 31388), (2242, 29834), (4262, 15694), (4484, 14917), (7847, 8524)]