128776984

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{953}}^1$

素因数の和:1112

約数の個数: 64

約数和(自身を含む): 293068800

約数和(自身を除く): 164291816

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 127, 133, 152, 254, 266, 508, 532, 889, 953, 1016, 1064, 1778, 1906, 2413, 3556, 3812, 4826, 6671, 7112, 7624, 9652, 13342, 16891, 18107, 19304, 26684, 33782, 36214, 53368, 67564, 72428, 121031, 126749, 135128, 144856, 242062, 253498, 484124, 506996, 847217, 968248, 1013992, 1694434, 2299589, 3388868, 4599178, 6777736, 9198356, 16097123, 18396712, 32194246, 64388492, 128776984]

約数ペア:

[(1, 128776984), (2, 64388492), (4, 32194246), (7, 18396712), (8, 16097123), (14, 9198356), (19, 6777736), (28, 4599178), (38, 3388868), (56, 2299589), (76, 1694434), (127, 1013992), (133, 968248), (152, 847217), (254, 506996), (266, 484124), (508, 253498), (532, 242062), (889, 144856), (953, 135128), (1016, 126749), (1064, 121031), (1778, 72428), (1906, 67564), (2413, 53368), (3556, 36214), (3812, 33782), (4826, 26684), (6671, 19304), (7112, 18107), (7624, 16891), (9652, 13342)]