278380928

素因数分解:

$2^7\times 7^1\times {\mathrm{310693}}^1$

素因数の和:310714

約数の個数: 32

約数和(自身を含む): 633815760

約数和(自身を除く): 355434832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 310693, 621386, 1242772, 2174851, 2485544, 4349702, 4971088, 8699404, 9942176, 17398808, 19884352, 34797616, 39768704, 69595232, 139190464, 278380928]

約数ペア:

[(1, 278380928), (2, 139190464), (4, 69595232), (7, 39768704), (8, 34797616), (14, 19884352), (16, 17398808), (28, 9942176), (32, 8699404), (56, 4971088), (64, 4349702), (112, 2485544), (128, 2174851), (224, 1242772), (448, 621386), (896, 310693)]