209507818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{823}}^1\times {\mathrm{9791}}^1$

素因数の和:10629

約数の個数: 16

約数和(自身を含む): 338881536

約数和(自身を除く): 129373718

約数列:

[1, 2, 13, 26, 823, 1646, 9791, 10699, 19582, 21398, 127283, 254566, 8057993, 16115986, 104753909, 209507818]

約数ペア:

[(1, 209507818), (2, 104753909), (13, 16115986), (26, 8057993), (823, 254566), (1646, 127283), (9791, 21398), (10699, 19582)]