1279416376

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{491}}^1$

素因数の和:633

約数の個数: 128

約数和(自身を含む): 3022848000

約数和(自身を除く): 1743431624

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 62, 76, 79, 124, 133, 152, 158, 217, 248, 266, 316, 434, 491, 532, 553, 589, 632, 868, 982, 1064, 1106, 1178, 1501, 1736, 1964, 2212, 2356, 2449, 3002, 3437, 3928, 4123, 4424, 4712, 4898, 6004, 6874, 8246, 9329, 9796, 10507, 12008, 13748, 15221, 16492, 17143, 18658, 19592, 21014, 27496, 30442, 32984, 34286, 37316, 38789, 42028, 46531, 60884, 65303, 68572, 74632, 77578, 84056, 93062, 106547, 121768, 130606, 137144, 155156, 186124, 213094, 261212, 271523, 289199, 310312, 325717, 372248, 426188, 522424, 543046, 578398, 651434, 736991, 852376, 1086092, 1156796, 1202459, 1302868, 1473982, 2024393, 2172184, 2313592, 2404918, 2605736, 2947964, 4048786, 4809836, 5158937, 5895928, 8097572, 8417213, 9619672, 10317874, 16195144, 16834426, 20635748, 22846721, 33668852, 41271496, 45693442, 67337704, 91386884, 159927047, 182773768, 319854094, 639708188, 1279416376]

約数ペア:

[(1, 1279416376), (2, 639708188), (4, 319854094), (7, 182773768), (8, 159927047), (14, 91386884), (19, 67337704), (28, 45693442), (31, 41271496), (38, 33668852), (56, 22846721), (62, 20635748), (76, 16834426), (79, 16195144), (124, 10317874), (133, 9619672), (152, 8417213), (158, 8097572), (217, 5895928), (248, 5158937), (266, 4809836), (316, 4048786), (434, 2947964), (491, 2605736), (532, 2404918), (553, 2313592), (589, 2172184), (632, 2024393), (868, 1473982), (982, 1302868), (1064, 1202459), (1106, 1156796), (1178, 1086092), (1501, 852376), (1736, 736991), (1964, 651434), (2212, 578398), (2356, 543046), (2449, 522424), (3002, 426188), (3437, 372248), (3928, 325717), (4123, 310312), (4424, 289199), (4712, 271523), (4898, 261212), (6004, 213094), (6874, 186124), (8246, 155156), (9329, 137144), (9796, 130606), (10507, 121768), (12008, 106547), (13748, 93062), (15221, 84056), (16492, 77578), (17143, 74632), (18658, 68572), (19592, 65303), (21014, 60884), (27496, 46531), (30442, 42028), (32984, 38789), (34286, 37316)]