72115870

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{2221}}^1$

素因数の和:2436

約数の個数: 32

約数和(自身を含む): 138226176

約数和(自身を除く): 66110306

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 191, 382, 955, 1910, 2221, 3247, 4442, 6494, 11105, 16235, 22210, 32470, 37757, 75514, 188785, 377570, 424211, 848422, 2121055, 4242110, 7211587, 14423174, 36057935, 72115870]

約数ペア:

[(1, 72115870), (2, 36057935), (5, 14423174), (10, 7211587), (17, 4242110), (34, 2121055), (85, 848422), (170, 424211), (191, 377570), (382, 188785), (955, 75514), (1910, 37757), (2221, 32470), (3247, 22210), (4442, 16235), (6494, 11105)]