81416712

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{260951}}^1$

素因数の和:260973

約数の個数: 32

約数和(自身を含む): 219199680

約数和(自身を除く): 137782968

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 260951, 521902, 782853, 1043804, 1565706, 2087608, 3131412, 3392363, 6262824, 6784726, 10177089, 13569452, 20354178, 27138904, 40708356, 81416712]

約数ペア:

[(1, 81416712), (2, 40708356), (3, 27138904), (4, 20354178), (6, 13569452), (8, 10177089), (12, 6784726), (13, 6262824), (24, 3392363), (26, 3131412), (39, 2087608), (52, 1565706), (78, 1043804), (104, 782853), (156, 521902), (312, 260951)]