328891648

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{41443}}^1$

素因数の和:41490

約数の個数: 36

約数和(自身を含む): 677692288

約数和(自身を除く): 348800640

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 41443, 82886, 165772, 331544, 663088, 1284733, 1326176, 2569466, 2652352, 5138932, 5304704, 10277864, 10609408, 20555728, 41111456, 82222912, 164445824, 328891648]

約数ペア:

[(1, 328891648), (2, 164445824), (4, 82222912), (8, 41111456), (16, 20555728), (31, 10609408), (32, 10277864), (62, 5304704), (64, 5138932), (124, 2652352), (128, 2569466), (248, 1326176), (256, 1284733), (496, 663088), (992, 331544), (1984, 165772), (3968, 82886), (7936, 41443)]