3978728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{571}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 8168160

約数和(自身を除く): 4189432

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 571, 871, 1142, 1742, 2284, 3484, 4568, 6968, 7423, 14846, 29692, 38257, 59384, 76514, 153028, 306056, 497341, 994682, 1989364, 3978728]

約数ペア:

[(1, 3978728), (2, 1989364), (4, 994682), (8, 497341), (13, 306056), (26, 153028), (52, 76514), (67, 59384), (104, 38257), (134, 29692), (268, 14846), (536, 7423), (571, 6968), (871, 4568), (1142, 3484), (1742, 2284)]