199894528

素因数分解:

$2^9\times {\mathrm{390419}}^1$

素因数の和:390437

約数の個数: 20

約数和(自身を含む): 399399660

約数和(自身を除く): 199505132

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 390419, 780838, 1561676, 3123352, 6246704, 12493408, 24986816, 49973632, 99947264, 199894528]

約数ペア:

[(1, 199894528), (2, 99947264), (4, 49973632), (8, 24986816), (16, 12493408), (32, 6246704), (64, 3123352), (128, 1561676), (256, 780838), (512, 390419)]