127645136

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{194581}}^1$

素因数の和:194630

約数の個数: 20

約数和(自身を含む): 253345764

約数和(自身を除く): 125700628

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 194581, 389162, 778324, 1556648, 3113296, 7977821, 15955642, 31911284, 63822568, 127645136]

約数ペア:

[(1, 127645136), (2, 63822568), (4, 31911284), (8, 15955642), (16, 7977821), (41, 3113296), (82, 1556648), (164, 778324), (328, 389162), (656, 194581)]