72272009968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{265705919}}^1$

素因数の和:265705944

約数の個数: 20

約数和(自身を含む): 148263903360

約数和(自身を除く): 75991893392

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 265705919, 531411838, 1062823676, 2125647352, 4251294704, 4517000623, 9034001246, 18068002492, 36136004984, 72272009968]

約数ペア:

[(1, 72272009968), (2, 36136004984), (4, 18068002492), (8, 9034001246), (16, 4517000623), (17, 4251294704), (34, 2125647352), (68, 1062823676), (136, 531411838), (272, 265705919)]