289496056

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{320239}}^1$

素因数の和:320358

約数の個数: 16

約数和(自身を含む): 547610400

約数和(自身を除く): 258114344

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 320239, 640478, 1280956, 2561912, 36187007, 72374014, 144748028, 289496056]

約数ペア:

[(1, 289496056), (2, 144748028), (4, 72374014), (8, 36187007), (113, 2561912), (226, 1280956), (452, 640478), (904, 320239)]