820121428

素因数分解:

$2^2\times 7^2\times {\mathrm{37}}^1\times {\mathrm{113089}}^1$

素因数の和:113144

約数の個数: 36

約数和(自身を含む): 1714670580

約数和(自身を除く): 894549152

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 259, 518, 1036, 1813, 3626, 7252, 113089, 226178, 452356, 791623, 1583246, 3166492, 4184293, 5541361, 8368586, 11082722, 16737172, 22165444, 29290051, 58580102, 117160204, 205030357, 410060714, 820121428]

約数ペア:

[(1, 820121428), (2, 410060714), (4, 205030357), (7, 117160204), (14, 58580102), (28, 29290051), (37, 22165444), (49, 16737172), (74, 11082722), (98, 8368586), (148, 5541361), (196, 4184293), (259, 3166492), (518, 1583246), (1036, 791623), (1813, 452356), (3626, 226178), (7252, 113089)]