26561665

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 36368640

約数和(自身を除く): 9806975

約数列:

[1, 5, 13, 23, 65, 109, 115, 163, 299, 545, 815, 1417, 1495, 2119, 2507, 3749, 7085, 10595, 12535, 17767, 18745, 32591, 48737, 88835, 162955, 230971, 243685, 408641, 1154855, 2043205, 5312333, 26561665]

約数ペア:

[(1, 26561665), (5, 5312333), (13, 2043205), (23, 1154855), (65, 408641), (109, 243685), (115, 230971), (163, 162955), (299, 88835), (545, 48737), (815, 32591), (1417, 18745), (1495, 17767), (2119, 12535), (2507, 10595), (3749, 7085)]