664584170

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{443}}^1\times {\mathrm{3659}}^1$

素因数の和:4150

約数の個数: 32

約数和(自身を含む): 1228530240

約数和(自身を除く): 563946070

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 443, 886, 2215, 3659, 4430, 7318, 18163, 18295, 36326, 36590, 90815, 150019, 181630, 300038, 750095, 1500190, 1620937, 3241874, 8104685, 16209370, 66458417, 132916834, 332292085, 664584170]

約数ペア:

[(1, 664584170), (2, 332292085), (5, 132916834), (10, 66458417), (41, 16209370), (82, 8104685), (205, 3241874), (410, 1620937), (443, 1500190), (886, 750095), (2215, 300038), (3659, 181630), (4430, 150019), (7318, 90815), (18163, 36590), (18295, 36326)]