64164772

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 132612480

約数和(自身を除く): 68447708

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 137, 172, 274, 301, 389, 548, 602, 778, 959, 1204, 1556, 1918, 2723, 3836, 5446, 5891, 10892, 11782, 16727, 23564, 33454, 41237, 53293, 66908, 82474, 106586, 117089, 164948, 213172, 234178, 373051, 468356, 746102, 1492204, 2291599, 4583198, 9166396, 16041193, 32082386, 64164772]

約数ペア:

[(1, 64164772), (2, 32082386), (4, 16041193), (7, 9166396), (14, 4583198), (28, 2291599), (43, 1492204), (86, 746102), (137, 468356), (172, 373051), (274, 234178), (301, 213172), (389, 164948), (548, 117089), (602, 106586), (778, 82474), (959, 66908), (1204, 53293), (1556, 41237), (1918, 33454), (2723, 23564), (3836, 16727), (5446, 11782), (5891, 10892)]