4000724

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 8937600

約数和(自身を除く): 4936876

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 52, 58, 91, 116, 182, 203, 364, 377, 379, 406, 754, 758, 812, 1508, 1516, 2639, 2653, 4927, 5278, 5306, 9854, 10556, 10612, 10991, 19708, 21982, 34489, 43964, 68978, 76937, 137956, 142883, 153874, 285766, 307748, 571532, 1000181, 2000362, 4000724]

約数ペア:

[(1, 4000724), (2, 2000362), (4, 1000181), (7, 571532), (13, 307748), (14, 285766), (26, 153874), (28, 142883), (29, 137956), (52, 76937), (58, 68978), (91, 43964), (116, 34489), (182, 21982), (203, 19708), (364, 10991), (377, 10612), (379, 10556), (406, 9854), (754, 5306), (758, 5278), (812, 4927), (1508, 2653), (1516, 2639)]