221566364816

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{389}}^1\times {\mathrm{366997}}^1$

素因数の和:367491

約数の個数: 40

約数和(自身を含む): 434826570360

約数和(自身を除く): 213260205544

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 389, 776, 778, 1552, 1556, 3112, 6224, 37733, 75466, 150932, 301864, 366997, 603728, 733994, 1467988, 2935976, 5871952, 35598709, 71197418, 142394836, 142761833, 284789672, 285523666, 569579344, 571047332, 1142094664, 2284189328, 13847897801, 27695795602, 55391591204, 110783182408, 221566364816]

約数ペア:

[(1, 221566364816), (2, 110783182408), (4, 55391591204), (8, 27695795602), (16, 13847897801), (97, 2284189328), (194, 1142094664), (388, 571047332), (389, 569579344), (776, 285523666), (778, 284789672), (1552, 142761833), (1556, 142394836), (3112, 71197418), (6224, 35598709), (37733, 5871952), (75466, 2935976), (150932, 1467988), (301864, 733994), (366997, 603728)]