193764740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{745249}}^1$

素因数の和:745271

約数の個数: 24

約数和(自身を含む): 438207000

約数和(自身を除く): 244442260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 745249, 1490498, 2980996, 3726245, 7452490, 9688237, 14904980, 19376474, 38752948, 48441185, 96882370, 193764740]

約数ペア:

[(1, 193764740), (2, 96882370), (4, 48441185), (5, 38752948), (10, 19376474), (13, 14904980), (20, 9688237), (26, 7452490), (52, 3726245), (65, 2980996), (130, 1490498), (260, 745249)]