65260190

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 119379744

約数和(自身を除く): 54119554

約数列:

[1, 2, 5, 10, 157, 197, 211, 314, 394, 422, 785, 985, 1055, 1570, 1970, 2110, 30929, 33127, 41567, 61858, 66254, 83134, 154645, 165635, 207835, 309290, 331270, 415670, 6526019, 13052038, 32630095, 65260190]

約数ペア:

[(1, 65260190), (2, 32630095), (5, 13052038), (10, 6526019), (157, 415670), (197, 331270), (211, 309290), (314, 207835), (394, 165635), (422, 154645), (785, 83134), (985, 66254), (1055, 61858), (1570, 41567), (1970, 33127), (2110, 30929)]