218920227976

素因数分解:

$2^3\times {\mathrm{38639}}^1\times {\mathrm{708223}}^1$

素因数の和:746868

約数の個数: 16

約数和(自身を含む): 410486630400

約数和(自身を除く): 191566402424

約数列:

[1, 2, 4, 8, 38639, 77278, 154556, 309112, 708223, 1416446, 2832892, 5665784, 27365028497, 54730056994, 109460113988, 218920227976]

約数ペア:

[(1, 218920227976), (2, 109460113988), (4, 54730056994), (8, 27365028497), (38639, 5665784), (77278, 2832892), (154556, 1416446), (309112, 708223)]