407402009

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 502656000

約数和(自身を除く): 95253991

約数列:

[1, 7, 19, 67, 131, 133, 349, 469, 917, 1273, 2443, 2489, 6631, 8777, 8911, 17423, 23383, 45719, 46417, 61439, 163681, 166763, 320033, 444277, 868661, 1167341, 3063173, 3109939, 6080627, 21442211, 58200287, 407402009]

約数ペア:

[(1, 407402009), (7, 58200287), (19, 21442211), (67, 6080627), (131, 3109939), (133, 3063173), (349, 1167341), (469, 868661), (917, 444277), (1273, 320033), (2443, 166763), (2489, 163681), (6631, 61439), (8777, 46417), (8911, 45719), (17423, 23383)]