23520385

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{313}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 34364160

約数和(自身を除く): 10843775

約数列:

[1, 5, 7, 19, 35, 95, 113, 133, 313, 565, 665, 791, 1565, 2147, 2191, 3955, 5947, 10735, 10955, 15029, 29735, 35369, 41629, 75145, 176845, 208145, 247583, 672011, 1237915, 3360055, 4704077, 23520385]

約数ペア:

[(1, 23520385), (5, 4704077), (7, 3360055), (19, 1237915), (35, 672011), (95, 247583), (113, 208145), (133, 176845), (313, 75145), (565, 41629), (665, 35369), (791, 29735), (1565, 15029), (2147, 10955), (2191, 10735), (3955, 5947)]