72840124

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{70309}}^1$

素因数の和:70357

約数の個数: 24

約数和(自身を含む): 149619680

約数和(自身を除く): 76779556

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 1036, 70309, 140618, 281236, 492163, 984326, 1968652, 2601433, 5202866, 10405732, 18210031, 36420062, 72840124]

約数ペア:

[(1, 72840124), (2, 36420062), (4, 18210031), (7, 10405732), (14, 5202866), (28, 2601433), (37, 1968652), (74, 984326), (148, 492163), (259, 281236), (518, 140618), (1036, 70309)]