81015392

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{587}}^1$

素因数の和:843

約数の個数: 48

約数和(自身を含む): 168920640

約数和(自身を除く): 87905248

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 227, 304, 454, 587, 608, 908, 1174, 1816, 2348, 3632, 4313, 4696, 7264, 8626, 9392, 11153, 17252, 18784, 22306, 34504, 44612, 69008, 89224, 133249, 138016, 178448, 266498, 356896, 532996, 1065992, 2131984, 2531731, 4263968, 5063462, 10126924, 20253848, 40507696, 81015392]

約数ペア:

[(1, 81015392), (2, 40507696), (4, 20253848), (8, 10126924), (16, 5063462), (19, 4263968), (32, 2531731), (38, 2131984), (76, 1065992), (152, 532996), (227, 356896), (304, 266498), (454, 178448), (587, 138016), (608, 133249), (908, 89224), (1174, 69008), (1816, 44612), (2348, 34504), (3632, 22306), (4313, 18784), (4696, 17252), (7264, 11153), (8626, 9392)]