57195719

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 71892480

約数和(自身を除く): 14696761

約数列:

[1, 7, 19, 43, 73, 133, 137, 301, 511, 817, 959, 1387, 2603, 3139, 5719, 5891, 9709, 10001, 18221, 21973, 41237, 59641, 70007, 111929, 190019, 417487, 430043, 783503, 1330133, 3010301, 8170817, 57195719]

約数ペア:

[(1, 57195719), (7, 8170817), (19, 3010301), (43, 1330133), (73, 783503), (133, 430043), (137, 417487), (301, 190019), (511, 111929), (817, 70007), (959, 59641), (1387, 41237), (2603, 21973), (3139, 18221), (5719, 10001), (5891, 9709)]