972201895

素因数分解:

$5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{20143}}^1$

素因数の和:20359

約数の個数: 24

約数和(自身を含む): 1364071104

約数和(自身を除く): 391869209

約数列:

[1, 5, 7, 35, 49, 197, 245, 985, 1379, 6895, 9653, 20143, 48265, 100715, 141001, 705005, 987007, 3968171, 4935035, 19840855, 27777197, 138885985, 194440379, 972201895]

約数ペア:

[(1, 972201895), (5, 194440379), (7, 138885985), (35, 27777197), (49, 19840855), (197, 4935035), (245, 3968171), (985, 987007), (1379, 705005), (6895, 141001), (9653, 100715), (20143, 48265)]