1994403778

素因数分解:

$2^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1\times {\mathrm{15727}}^1$

素因数の和:16281

約数の個数: 16

約数和(自身を含む): 3017888640

約数和(自身を除く): 1023484862

約数列:

[1, 2, 163, 326, 389, 778, 15727, 31454, 63407, 126814, 2563501, 5127002, 6117803, 12235606, 997201889, 1994403778]

約数ペア:

[(1, 1994403778), (2, 997201889), (163, 12235606), (326, 6117803), (389, 5127002), (778, 2563501), (15727, 126814), (31454, 63407)]