81787648

素因数分解:

$2^8\times {\mathrm{319483}}^1$

素因数の和:319499

約数の個数: 18

約数和(自身を含む): 163256324

約数和(自身を除く): 81468676

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 319483, 638966, 1277932, 2555864, 5111728, 10223456, 20446912, 40893824, 81787648]

約数ペア:

[(1, 81787648), (2, 40893824), (4, 20446912), (8, 10223456), (16, 5111728), (32, 2555864), (64, 1277932), (128, 638966), (256, 319483)]