128580478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{877}}^1\times {\mathrm{5639}}^1$

素因数の和:6531

約数の個数: 16

約数和(自身を含む): 207980640

約数和(自身を除く): 79400162

約数列:

[1, 2, 13, 26, 877, 1754, 5639, 11278, 11401, 22802, 73307, 146614, 4945403, 9890806, 64290239, 128580478]

約数ペア:

[(1, 128580478), (2, 64290239), (13, 9890806), (26, 4945403), (877, 146614), (1754, 73307), (5639, 22802), (11278, 11401)]