220856468

素因数分解:

$2^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{18301}}^1$

素因数の和:18743

約数の個数: 24

約数和(自身を含む): 442761984

約数和(自身を除く): 221905516

約数列:

[1, 2, 4, 7, 14, 28, 431, 862, 1724, 3017, 6034, 12068, 18301, 36602, 73204, 128107, 256214, 512428, 7887731, 15775462, 31550924, 55214117, 110428234, 220856468]

約数ペア:

[(1, 220856468), (2, 110428234), (4, 55214117), (7, 31550924), (14, 15775462), (28, 7887731), (431, 512428), (862, 256214), (1724, 128107), (3017, 73204), (6034, 36602), (12068, 18301)]