197971456

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{12473}}^1$

素因数の和:12522

約数の個数: 40

約数和(自身を含む): 408348864

約数和(自身を除く): 210377408

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 12473, 15872, 24946, 49892, 99784, 199568, 386663, 399136, 773326, 798272, 1546652, 1596544, 3093304, 3193088, 6186608, 6386176, 12373216, 24746432, 49492864, 98985728, 197971456]

約数ペア:

[(1, 197971456), (2, 98985728), (4, 49492864), (8, 24746432), (16, 12373216), (31, 6386176), (32, 6186608), (62, 3193088), (64, 3093304), (124, 1596544), (128, 1546652), (248, 798272), (256, 773326), (496, 399136), (512, 386663), (992, 199568), (1984, 99784), (3968, 49892), (7936, 24946), (12473, 15872)]