128329544

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 284169600

約数和(自身を除く): 155840056

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 137, 172, 274, 301, 344, 389, 548, 602, 778, 959, 1096, 1204, 1556, 1918, 2408, 2723, 3112, 3836, 5446, 5891, 7672, 10892, 11782, 16727, 21784, 23564, 33454, 41237, 47128, 53293, 66908, 82474, 106586, 117089, 133816, 164948, 213172, 234178, 329896, 373051, 426344, 468356, 746102, 936712, 1492204, 2291599, 2984408, 4583198, 9166396, 16041193, 18332792, 32082386, 64164772, 128329544]

約数ペア:

[(1, 128329544), (2, 64164772), (4, 32082386), (7, 18332792), (8, 16041193), (14, 9166396), (28, 4583198), (43, 2984408), (56, 2291599), (86, 1492204), (137, 936712), (172, 746102), (274, 468356), (301, 426344), (344, 373051), (389, 329896), (548, 234178), (602, 213172), (778, 164948), (959, 133816), (1096, 117089), (1204, 106586), (1556, 82474), (1918, 66908), (2408, 53293), (2723, 47128), (3112, 41237), (3836, 33454), (5446, 23564), (5891, 21784), (7672, 16727), (10892, 11782)]