131987336

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{40939}}^1$

素因数の和:40989

約数の個数: 32

約数和(自身を含む): 275116800

約数和(自身を除く): 143129464

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 40939, 81878, 163756, 327512, 532207, 1064414, 1269109, 2128828, 2538218, 4257656, 5076436, 10152872, 16498417, 32996834, 65993668, 131987336]

約数ペア:

[(1, 131987336), (2, 65993668), (4, 32996834), (8, 16498417), (13, 10152872), (26, 5076436), (31, 4257656), (52, 2538218), (62, 2128828), (104, 1269109), (124, 1064414), (248, 532207), (403, 327512), (806, 163756), (1612, 81878), (3224, 40939)]