89784890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{9461}}^1$

素因数の和:9554

約数の個数: 32

約数和(自身を含む): 176447376

約数和(自身を除く): 86662486

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 4745, 9461, 9490, 18922, 47305, 94610, 122993, 245986, 614965, 690653, 1229930, 1381306, 3453265, 6906530, 8978489, 17956978, 44892445, 89784890]

約数ペア:

[(1, 89784890), (2, 44892445), (5, 17956978), (10, 8978489), (13, 6906530), (26, 3453265), (65, 1381306), (73, 1229930), (130, 690653), (146, 614965), (365, 245986), (730, 122993), (949, 94610), (1898, 47305), (4745, 18922), (9461, 9490)]