208520156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{39703}}^1$

素因数の和:39821

約数の個数: 24

約数和(自身を含む): 396881184

約数和(自身を除く): 188361028

約数列:

[1, 2, 4, 13, 26, 52, 101, 202, 404, 1313, 2626, 5252, 39703, 79406, 158812, 516139, 1032278, 2064556, 4010003, 8020006, 16040012, 52130039, 104260078, 208520156]

約数ペア:

[(1, 208520156), (2, 104260078), (4, 52130039), (13, 16040012), (26, 8020006), (52, 4010003), (101, 2064556), (202, 1032278), (404, 516139), (1313, 158812), (2626, 79406), (5252, 39703)]