205990412

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 383142144

約数和(自身を除く): 177151732

約数列:

[1, 2, 4, 31, 61, 62, 113, 122, 124, 226, 241, 244, 452, 482, 964, 1891, 3503, 3782, 6893, 7006, 7471, 7564, 13786, 14012, 14701, 14942, 27233, 27572, 29402, 29884, 54466, 58804, 108932, 213683, 427366, 455731, 844223, 854732, 911462, 1661213, 1688446, 1822924, 3322426, 3376892, 6644852, 51497603, 102995206, 205990412]

約数ペア:

[(1, 205990412), (2, 102995206), (4, 51497603), (31, 6644852), (61, 3376892), (62, 3322426), (113, 1822924), (122, 1688446), (124, 1661213), (226, 911462), (241, 854732), (244, 844223), (452, 455731), (482, 427366), (964, 213683), (1891, 108932), (3503, 58804), (3782, 54466), (6893, 29884), (7006, 29402), (7471, 27572), (7564, 27233), (13786, 14942), (14012, 14701)]