128966778

素因数分解:

$2^1\times 3^2\times {\mathrm{47}}^1\times {\mathrm{152443}}^1$

素因数の和:152498

約数の個数: 24

約数和(自身を含む): 285375168

約数和(自身を除く): 156408390

約数列:

[1, 2, 3, 6, 9, 18, 47, 94, 141, 282, 423, 846, 152443, 304886, 457329, 914658, 1371987, 2743974, 7164821, 14329642, 21494463, 42988926, 64483389, 128966778]

約数ペア:

[(1, 128966778), (2, 64483389), (3, 42988926), (6, 21494463), (9, 14329642), (18, 7164821), (47, 2743974), (94, 1371987), (141, 914658), (282, 457329), (423, 304886), (846, 152443)]