201109904

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{19609}}^1$

素因数の和:20258

約数の個数: 20

約数和(自身を含む): 390278220

約数和(自身を除く): 189168316

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2564, 5128, 10256, 19609, 39218, 78436, 156872, 313744, 12569369, 25138738, 50277476, 100554952, 201109904]

約数ペア:

[(1, 201109904), (2, 100554952), (4, 50277476), (8, 25138738), (16, 12569369), (641, 313744), (1282, 156872), (2564, 78436), (5128, 39218), (10256, 19609)]