81827690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{19813}}^1$

素因数の和:19886

約数の個数: 32

約数和(自身を含む): 171192960

約数和(自身を除く): 89365270

約数列:

[1, 2, 5, 7, 10, 14, 35, 59, 70, 118, 295, 413, 590, 826, 2065, 4130, 19813, 39626, 99065, 138691, 198130, 277382, 693455, 1168967, 1386910, 2337934, 5844835, 8182769, 11689670, 16365538, 40913845, 81827690]

約数ペア:

[(1, 81827690), (2, 40913845), (5, 16365538), (7, 11689670), (10, 8182769), (14, 5844835), (35, 2337934), (59, 1386910), (70, 1168967), (118, 693455), (295, 277382), (413, 198130), (590, 138691), (826, 99065), (2065, 39626), (4130, 19813)]