257548802

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{701}}^1$

素因数の和:903

約数の個数: 48

約数和(自身を含む): 472485312

約数和(自身を除く): 214936510

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 163, 322, 326, 701, 1127, 1141, 1402, 2254, 2282, 3749, 4907, 7498, 7987, 9814, 15974, 16123, 26243, 32246, 34349, 52486, 68698, 112861, 114263, 183701, 225722, 228526, 367402, 790027, 799841, 1580054, 1599682, 2628049, 5256098, 5598887, 11197774, 18396343, 36792686, 128774401, 257548802]

約数ペア:

[(1, 257548802), (2, 128774401), (7, 36792686), (14, 18396343), (23, 11197774), (46, 5598887), (49, 5256098), (98, 2628049), (161, 1599682), (163, 1580054), (322, 799841), (326, 790027), (701, 367402), (1127, 228526), (1141, 225722), (1402, 183701), (2254, 114263), (2282, 112861), (3749, 68698), (4907, 52486), (7498, 34349), (7987, 32246), (9814, 26243), (15974, 16123)]