257395472

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{197}}^1\times {\mathrm{643}}^1$

素因数の和:975

約数の個数: 40

約数和(自身を含む): 505967616

約数和(自身を除く): 248572144

約数列:

[1, 2, 4, 8, 16, 127, 197, 254, 394, 508, 643, 788, 1016, 1286, 1576, 2032, 2572, 3152, 5144, 10288, 25019, 50038, 81661, 100076, 126671, 163322, 200152, 253342, 326644, 400304, 506684, 653288, 1013368, 1306576, 2026736, 16087217, 32174434, 64348868, 128697736, 257395472]

約数ペア:

[(1, 257395472), (2, 128697736), (4, 64348868), (8, 32174434), (16, 16087217), (127, 2026736), (197, 1306576), (254, 1013368), (394, 653288), (508, 506684), (643, 400304), (788, 326644), (1016, 253342), (1286, 200152), (1576, 163322), (2032, 126671), (2572, 100076), (3152, 81661), (5144, 50038), (10288, 25019)]