81203928

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{260269}}^1$

素因数の和:260291

約数の個数: 32

約数和(自身を含む): 218626800

約数和(自身を除く): 137422872

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 260269, 520538, 780807, 1041076, 1561614, 2082152, 3123228, 3383497, 6246456, 6766994, 10150491, 13533988, 20300982, 27067976, 40601964, 81203928]

約数ペア:

[(1, 81203928), (2, 40601964), (3, 27067976), (4, 20300982), (6, 13533988), (8, 10150491), (12, 6766994), (13, 6246456), (24, 3383497), (26, 3123228), (39, 2082152), (52, 1561614), (78, 1041076), (104, 780807), (156, 520538), (312, 260269)]