1640778568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1434247}}^1$

素因数の和:1434277

約数の個数: 32

約数和(自身を含む): 3614304960

約数和(自身を除く): 1973526392

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 1434247, 2868494, 5736988, 11473976, 15776717, 18645211, 31553434, 37290422, 63106868, 74580844, 126213736, 149161688, 205097321, 410194642, 820389284, 1640778568]

約数ペア:

[(1, 1640778568), (2, 820389284), (4, 410194642), (8, 205097321), (11, 149161688), (13, 126213736), (22, 74580844), (26, 63106868), (44, 37290422), (52, 31553434), (88, 18645211), (104, 15776717), (143, 11473976), (286, 5736988), (572, 2868494), (1144, 1434247)]