257043528

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{510007}}^1$

素因数の和:510026

約数の個数: 48

約数和(自身を含む): 795612480

約数和(自身を除く): 538568952

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 510007, 1020014, 1530021, 2040028, 3060042, 3570049, 4080056, 4590063, 6120084, 7140098, 9180126, 10710147, 12240168, 14280196, 18360252, 21420294, 28560392, 32130441, 36720504, 42840588, 64260882, 85681176, 128521764, 257043528]

約数ペア:

[(1, 257043528), (2, 128521764), (3, 85681176), (4, 64260882), (6, 42840588), (7, 36720504), (8, 32130441), (9, 28560392), (12, 21420294), (14, 18360252), (18, 14280196), (21, 12240168), (24, 10710147), (28, 9180126), (36, 7140098), (42, 6120084), (56, 4590063), (63, 4080056), (72, 3570049), (84, 3060042), (126, 2040028), (168, 1530021), (252, 1020014), (504, 510007)]