3920728

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1321}}^1$

素因数の和:1387

約数の個数: 32

約数和(自身を含む): 8566560

約数和(自身を除く): 4645832

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1321, 1484, 2642, 2968, 5284, 9247, 10568, 18494, 36988, 70013, 73976, 140026, 280052, 490091, 560104, 980182, 1960364, 3920728]

約数ペア:

[(1, 3920728), (2, 1960364), (4, 980182), (7, 560104), (8, 490091), (14, 280052), (28, 140026), (53, 73976), (56, 70013), (106, 36988), (212, 18494), (371, 10568), (424, 9247), (742, 5284), (1321, 2968), (1484, 2642)]