64542868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{40039}}^1$

素因数の和:40087

約数の個数: 24

約数和(自身を含む): 125565440

約数和(自身を除く): 61022572

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 40039, 80078, 160156, 520507, 1041014, 1241209, 2082028, 2482418, 4964836, 16135717, 32271434, 64542868]

約数ペア:

[(1, 64542868), (2, 32271434), (4, 16135717), (13, 4964836), (26, 2482418), (31, 2082028), (52, 1241209), (62, 1041014), (124, 520507), (403, 160156), (806, 80078), (1612, 40039)]