399517356

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{4756159}}^1$

素因数の和:4756173

約数の個数: 24

約数和(自身を含む): 1065379840

約数和(自身を除く): 665862484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 4756159, 9512318, 14268477, 19024636, 28536954, 33293113, 57073908, 66586226, 99879339, 133172452, 199758678, 399517356]

約数ペア:

[(1, 399517356), (2, 199758678), (3, 133172452), (4, 99879339), (6, 66586226), (7, 57073908), (12, 33293113), (14, 28536954), (21, 19024636), (28, 14268477), (42, 9512318), (84, 4756159)]