213951970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{66239}}^1$

素因数の和:66282

約数の個数: 32

約数和(自身を含む): 429235200

約数和(自身を除く): 215283230

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 66239, 132478, 331195, 662390, 1126063, 1258541, 2252126, 2517082, 5630315, 6292705, 11260630, 12585410, 21395197, 42790394, 106975985, 213951970]

約数ペア:

[(1, 213951970), (2, 106975985), (5, 42790394), (10, 21395197), (17, 12585410), (19, 11260630), (34, 6292705), (38, 5630315), (85, 2517082), (95, 2252126), (170, 1258541), (190, 1126063), (323, 662390), (646, 331195), (1615, 132478), (3230, 66239)]