6640816

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4561}}^1$

素因数の和:4589

約数の個数: 40

約数和(自身を含む): 15839264

約数和(自身を除く): 9198448

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 4561, 9122, 18244, 31927, 36488, 59293, 63854, 72976, 118586, 127708, 237172, 255416, 415051, 474344, 510832, 830102, 948688, 1660204, 3320408, 6640816]

約数ペア:

[(1, 6640816), (2, 3320408), (4, 1660204), (7, 948688), (8, 830102), (13, 510832), (14, 474344), (16, 415051), (26, 255416), (28, 237172), (52, 127708), (56, 118586), (91, 72976), (104, 63854), (112, 59293), (182, 36488), (208, 31927), (364, 18244), (728, 9122), (1456, 4561)]