257101832

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{4391}}^1$

素因数の和:4973

約数の個数: 32

約数和(自身を含む): 520188480

約数和(自身を除く): 263086648

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 563, 1126, 2252, 4391, 4504, 7319, 8782, 14638, 17564, 29276, 35128, 57083, 58552, 114166, 228332, 456664, 2472133, 4944266, 9888532, 19777064, 32137729, 64275458, 128550916, 257101832]

約数ペア:

[(1, 257101832), (2, 128550916), (4, 64275458), (8, 32137729), (13, 19777064), (26, 9888532), (52, 4944266), (104, 2472133), (563, 456664), (1126, 228332), (2252, 114166), (4391, 58552), (4504, 57083), (7319, 35128), (8782, 29276), (14638, 17564)]