81645704

素因数分解:

$2^3\times 7^1\times {\mathrm{1457959}}^1$

素因数の和:1457972

約数の個数: 16

約数和(自身を含む): 174955200

約数和(自身を除く): 93309496

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1457959, 2915918, 5831836, 10205713, 11663672, 20411426, 40822852, 81645704]

約数ペア:

[(1, 81645704), (2, 40822852), (4, 20411426), (7, 11663672), (8, 10205713), (14, 5831836), (28, 2915918), (56, 1457959)]