123173855

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{2887}}^1$

素因数の和:2975

約数の個数: 32

約数和(自身を含む): 179656704

約数和(自身を除く): 56482849

約数列:

[1, 5, 7, 23, 35, 53, 115, 161, 265, 371, 805, 1219, 1855, 2887, 6095, 8533, 14435, 20209, 42665, 66401, 101045, 153011, 332005, 464807, 765055, 1071077, 2324035, 3519253, 5355385, 17596265, 24634771, 123173855]

約数ペア:

[(1, 123173855), (5, 24634771), (7, 17596265), (23, 5355385), (35, 3519253), (53, 2324035), (115, 1071077), (161, 765055), (265, 464807), (371, 332005), (805, 153011), (1219, 101045), (1855, 66401), (2887, 42665), (6095, 20209), (8533, 14435)]