28687864

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{587}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 55566000

約数和(自身を除く): 26878136

約数列:

[1, 2, 4, 8, 41, 82, 149, 164, 298, 328, 587, 596, 1174, 1192, 2348, 4696, 6109, 12218, 24067, 24436, 48134, 48872, 87463, 96268, 174926, 192536, 349852, 699704, 3585983, 7171966, 14343932, 28687864]

約数ペア:

[(1, 28687864), (2, 14343932), (4, 7171966), (8, 3585983), (41, 699704), (82, 349852), (149, 192536), (164, 174926), (298, 96268), (328, 87463), (587, 48872), (596, 48134), (1174, 24436), (1192, 24067), (2348, 12218), (4696, 6109)]