289454942

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{390101}}^1$

素因数の和:390163

約数の個数: 16

約数和(自身を含む): 505572192

約数和(自身を除く): 216117250

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 390101, 780202, 2730707, 5461414, 20675353, 41350706, 144727471, 289454942]

約数ペア:

[(1, 289454942), (2, 144727471), (7, 41350706), (14, 20675353), (53, 5461414), (106, 2730707), (371, 780202), (742, 390101)]