281428466

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1\times {\mathrm{1381}}^1$

素因数の和:1610

約数の個数: 32

約数和(自身を含む): 471648960

約数和(自身を除く): 190220494

約数列:

[1, 2, 11, 22, 59, 118, 157, 314, 649, 1298, 1381, 1727, 2762, 3454, 9263, 15191, 18526, 30382, 81479, 101893, 162958, 203786, 216817, 433634, 896269, 1792538, 2384987, 4769974, 12792203, 25584406, 140714233, 281428466]

約数ペア:

[(1, 281428466), (2, 140714233), (11, 25584406), (22, 12792203), (59, 4769974), (118, 2384987), (157, 1792538), (314, 896269), (649, 433634), (1298, 216817), (1381, 203786), (1727, 162958), (2762, 101893), (3454, 81479), (9263, 30382), (15191, 18526)]