26990615

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 35721216

約数和(自身を除く): 8730601

約数列:

[1, 5, 23, 31, 67, 113, 115, 155, 335, 565, 713, 1541, 2077, 2599, 3503, 3565, 7571, 7705, 10385, 12995, 17515, 37855, 47771, 80569, 174133, 234701, 238855, 402845, 870665, 1173505, 5398123, 26990615]

約数ペア:

[(1, 26990615), (5, 5398123), (23, 1173505), (31, 870665), (67, 402845), (113, 238855), (115, 234701), (155, 174133), (335, 80569), (565, 47771), (713, 37855), (1541, 17515), (2077, 12995), (2599, 10385), (3503, 7705), (3565, 7571)]