128243028

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{248533}}^1$

素因数の和:248583

約数の個数: 24

約数和(自身を含む): 306193888

約数和(自身を除く): 177950860

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 248533, 497066, 745599, 994132, 1491198, 2982396, 10686919, 21373838, 32060757, 42747676, 64121514, 128243028]

約数ペア:

[(1, 128243028), (2, 64121514), (3, 42747676), (4, 32060757), (6, 21373838), (12, 10686919), (43, 2982396), (86, 1491198), (129, 994132), (172, 745599), (258, 497066), (516, 248533)]