201981724

素因数分解:

$2^2\times 7^4\times {\mathrm{21031}}^1$

素因数の和:21063

約数の個数: 30

約数和(自身を含む): 412374424

約数和(自身を除く): 210392700

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 2401, 4802, 9604, 21031, 42062, 84124, 147217, 294434, 588868, 1030519, 2061038, 4122076, 7213633, 14427266, 28854532, 50495431, 100990862, 201981724]

約数ペア:

[(1, 201981724), (2, 100990862), (4, 50495431), (7, 28854532), (14, 14427266), (28, 7213633), (49, 4122076), (98, 2061038), (196, 1030519), (343, 588868), (686, 294434), (1372, 147217), (2401, 84124), (4802, 42062), (9604, 21031)]