123649808

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{39229}}^1$

素因数の和:39434

約数の個数: 20

約数和(自身を含む): 240793740

約数和(自身を除く): 117143932

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 39229, 78458, 156916, 313832, 627664, 7728113, 15456226, 30912452, 61824904, 123649808]

約数ペア:

[(1, 123649808), (2, 61824904), (4, 30912452), (8, 15456226), (16, 7728113), (197, 627664), (394, 313832), (788, 156916), (1576, 78458), (3152, 39229)]