13131275

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 17436384

約数和(自身を除く): 4305109

約数列:

[1, 5, 23, 25, 41, 115, 205, 557, 575, 943, 1025, 2785, 4715, 12811, 13925, 22837, 23575, 64055, 114185, 320275, 525251, 570925, 2626255, 13131275]

約数ペア:

[(1, 13131275), (5, 2626255), (23, 570925), (25, 525251), (41, 320275), (115, 114185), (205, 64055), (557, 23575), (575, 22837), (943, 13925), (1025, 12811), (2785, 4715)]