255772816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{39667}}^1$

素因数の和:39719

約数の個数: 40

約数和(自身を含む): 550909184

約数和(自身を除く): 295136368

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 39667, 79334, 158668, 317336, 515671, 634672, 1031342, 1229677, 2062684, 2459354, 4125368, 4918708, 8250736, 9837416, 15985801, 19674832, 31971602, 63943204, 127886408, 255772816]

約数ペア:

[(1, 255772816), (2, 127886408), (4, 63943204), (8, 31971602), (13, 19674832), (16, 15985801), (26, 9837416), (31, 8250736), (52, 4918708), (62, 4125368), (104, 2459354), (124, 2062684), (208, 1229677), (248, 1031342), (403, 634672), (496, 515671), (806, 317336), (1612, 158668), (3224, 79334), (6448, 39667)]