39390505

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1013}}^1$

素因数の和:1137

約数の個数: 32

約数和(自身を含む): 59574528

約数和(自身を除く): 20184023

約数列:

[1, 5, 7, 11, 35, 55, 77, 101, 385, 505, 707, 1013, 1111, 3535, 5065, 5555, 7091, 7777, 11143, 35455, 38885, 55715, 78001, 102313, 390005, 511565, 716191, 1125443, 3580955, 5627215, 7878101, 39390505]

約数ペア:

[(1, 39390505), (5, 7878101), (7, 5627215), (11, 3580955), (35, 1125443), (55, 716191), (77, 511565), (101, 390005), (385, 102313), (505, 78001), (707, 55715), (1013, 38885), (1111, 35455), (3535, 11143), (5065, 7777), (5555, 7091)]