22388890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{313}}^1$

素因数の和:654

約数の個数: 32

約数和(自身を含む): 42322176

約数和(自身を除く): 19933286

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 311, 313, 622, 626, 1555, 1565, 3110, 3130, 7153, 7199, 14306, 14398, 35765, 35995, 71530, 71990, 97343, 194686, 486715, 973430, 2238889, 4477778, 11194445, 22388890]

約数ペア:

[(1, 22388890), (2, 11194445), (5, 4477778), (10, 2238889), (23, 973430), (46, 486715), (115, 194686), (230, 97343), (311, 71990), (313, 71530), (622, 35995), (626, 35765), (1555, 14398), (1565, 14306), (3110, 7199), (3130, 7153)]