215226904

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{349}}^1\times {\mathrm{491}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 408114000

約数和(自身を除く): 192887096

約数列:

[1, 2, 4, 8, 157, 314, 349, 491, 628, 698, 982, 1256, 1396, 1964, 2792, 3928, 54793, 77087, 109586, 154174, 171359, 219172, 308348, 342718, 438344, 616696, 685436, 1370872, 26903363, 53806726, 107613452, 215226904]

約数ペア:

[(1, 215226904), (2, 107613452), (4, 53806726), (8, 26903363), (157, 1370872), (314, 685436), (349, 616696), (491, 438344), (628, 342718), (698, 308348), (982, 219172), (1256, 171359), (1396, 154174), (1964, 109586), (2792, 77087), (3928, 54793)]