12557816

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 24796800

約数和(自身を除く): 12238984

約数列:

[1, 2, 4, 8, 23, 46, 92, 139, 184, 278, 491, 556, 982, 1112, 1964, 3197, 3928, 6394, 11293, 12788, 22586, 25576, 45172, 68249, 90344, 136498, 272996, 545992, 1569727, 3139454, 6278908, 12557816]

約数ペア:

[(1, 12557816), (2, 6278908), (4, 3139454), (8, 1569727), (23, 545992), (46, 272996), (92, 136498), (139, 90344), (184, 68249), (278, 45172), (491, 25576), (556, 22586), (982, 12788), (1112, 11293), (1964, 6394), (3197, 3928)]