638743248

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31019}}^1$

素因数の和:31057

約数の個数: 120

約数和(自身を含む): 2100178080

約数和(自身を除く): 1461434832

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 33, 36, 39, 44, 48, 52, 66, 72, 78, 88, 99, 104, 117, 132, 143, 144, 156, 176, 198, 208, 234, 264, 286, 312, 396, 429, 468, 528, 572, 624, 792, 858, 936, 1144, 1287, 1584, 1716, 1872, 2288, 2574, 3432, 5148, 6864, 10296, 20592, 31019, 62038, 93057, 124076, 186114, 248152, 279171, 341209, 372228, 403247, 496304, 558342, 682418, 744456, 806494, 1023627, 1116684, 1209741, 1364836, 1488912, 1612988, 2047254, 2233368, 2419482, 2729672, 3070881, 3225976, 3629223, 4094508, 4435717, 4466736, 4838964, 5459344, 6141762, 6451952, 7258446, 8189016, 8871434, 9677928, 12283524, 13307151, 14516892, 16378032, 17742868, 19355856, 24567048, 26614302, 29033784, 35485736, 39921453, 49134096, 53228604, 58067568, 70971472, 79842906, 106457208, 159685812, 212914416, 319371624, 638743248]

約数ペア:

[(1, 638743248), (2, 319371624), (3, 212914416), (4, 159685812), (6, 106457208), (8, 79842906), (9, 70971472), (11, 58067568), (12, 53228604), (13, 49134096), (16, 39921453), (18, 35485736), (22, 29033784), (24, 26614302), (26, 24567048), (33, 19355856), (36, 17742868), (39, 16378032), (44, 14516892), (48, 13307151), (52, 12283524), (66, 9677928), (72, 8871434), (78, 8189016), (88, 7258446), (99, 6451952), (104, 6141762), (117, 5459344), (132, 4838964), (143, 4466736), (144, 4435717), (156, 4094508), (176, 3629223), (198, 3225976), (208, 3070881), (234, 2729672), (264, 2419482), (286, 2233368), (312, 2047254), (396, 1612988), (429, 1488912), (468, 1364836), (528, 1209741), (572, 1116684), (624, 1023627), (792, 806494), (858, 744456), (936, 682418), (1144, 558342), (1287, 496304), (1584, 403247), (1716, 372228), (1872, 341209), (2288, 279171), (2574, 248152), (3432, 186114), (5148, 124076), (6864, 93057), (10296, 62038), (20592, 31019)]