201721804

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{8849}}^1$

素因数の和:9033

約数の個数: 24

約数和(自身を含む): 364266000

約数和(自身を除く): 162544196

約数列:

[1, 2, 4, 41, 82, 139, 164, 278, 556, 5699, 8849, 11398, 17698, 22796, 35396, 362809, 725618, 1230011, 1451236, 2460022, 4920044, 50430451, 100860902, 201721804]

約数ペア:

[(1, 201721804), (2, 100860902), (4, 50430451), (41, 4920044), (82, 2460022), (139, 1451236), (164, 1230011), (278, 725618), (556, 362809), (5699, 35396), (8849, 22796), (11398, 17698)]