66441340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{474581}}^1$

素因数の和:474597

約数の個数: 24

約数和(自身を含む): 159459552

約数和(自身を除く): 93018212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 474581, 949162, 1898324, 2372905, 3322067, 4745810, 6644134, 9491620, 13288268, 16610335, 33220670, 66441340]

約数ペア:

[(1, 66441340), (2, 33220670), (4, 16610335), (5, 13288268), (7, 9491620), (10, 6644134), (14, 4745810), (20, 3322067), (28, 2372905), (35, 1898324), (70, 949162), (140, 474581)]