131039728

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{757}}^1$

素因数の和:1145

約数の個数: 40

約数和(自身を含む): 263177600

約数和(自身を除く): 132137872

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 349, 496, 698, 757, 1396, 1514, 2792, 3028, 5584, 6056, 10819, 12112, 21638, 23467, 43276, 46934, 86552, 93868, 173104, 187736, 264193, 375472, 528386, 1056772, 2113544, 4227088, 8189983, 16379966, 32759932, 65519864, 131039728]

約数ペア:

[(1, 131039728), (2, 65519864), (4, 32759932), (8, 16379966), (16, 8189983), (31, 4227088), (62, 2113544), (124, 1056772), (248, 528386), (349, 375472), (496, 264193), (698, 187736), (757, 173104), (1396, 93868), (1514, 86552), (2792, 46934), (3028, 43276), (5584, 23467), (6056, 21638), (10819, 12112)]