181508990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1396223}}^1$

素因数の和:1396243

約数の個数: 16

約数和(自身を含む): 351848448

約数和(自身を除く): 170339458

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1396223, 2792446, 6981115, 13962230, 18150899, 36301798, 90754495, 181508990]

約数ペア:

[(1, 181508990), (2, 90754495), (5, 36301798), (10, 18150899), (13, 13962230), (26, 6981115), (65, 2792446), (130, 1396223)]