12781236

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{81931}}^1$

素因数の和:81951

約数の個数: 24

約数和(自身を含む): 32117344

約数和(自身を除く): 19336108

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 81931, 163862, 245793, 327724, 491586, 983172, 1065103, 2130206, 3195309, 4260412, 6390618, 12781236]

約数ペア:

[(1, 12781236), (2, 6390618), (3, 4260412), (4, 3195309), (6, 2130206), (12, 1065103), (13, 983172), (26, 491586), (39, 327724), (52, 245793), (78, 163862), (156, 81931)]