81744130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{628801}}^1$

素因数の和:628821

約数の個数: 16

約数和(自身を含む): 158458104

約数和(自身を除く): 76713974

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 628801, 1257602, 3144005, 6288010, 8174413, 16348826, 40872065, 81744130]

約数ペア:

[(1, 81744130), (2, 40872065), (5, 16348826), (10, 8174413), (13, 6288010), (26, 3144005), (65, 1257602), (130, 628801)]