128522004

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{331}}^1$

素因数の和:501

約数の個数: 96

約数和(自身を含む): 343580160

約数和(自身を除く): 215058156

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 131, 156, 228, 247, 262, 331, 393, 494, 524, 662, 741, 786, 988, 993, 1324, 1482, 1572, 1703, 1986, 2489, 2964, 3406, 3972, 4303, 4978, 5109, 6289, 6812, 7467, 8606, 9956, 10218, 12578, 12909, 14934, 17212, 18867, 20436, 25156, 25818, 29868, 32357, 37734, 43361, 51636, 64714, 75468, 81757, 86722, 97071, 129428, 130083, 163514, 173444, 194142, 245271, 260166, 327028, 388284, 490542, 520332, 563693, 823859, 981084, 1127386, 1647718, 1691079, 2254772, 2471577, 3295436, 3382158, 4943154, 6764316, 9886308, 10710167, 21420334, 32130501, 42840668, 64261002, 128522004]

約数ペア:

[(1, 128522004), (2, 64261002), (3, 42840668), (4, 32130501), (6, 21420334), (12, 10710167), (13, 9886308), (19, 6764316), (26, 4943154), (38, 3382158), (39, 3295436), (52, 2471577), (57, 2254772), (76, 1691079), (78, 1647718), (114, 1127386), (131, 981084), (156, 823859), (228, 563693), (247, 520332), (262, 490542), (331, 388284), (393, 327028), (494, 260166), (524, 245271), (662, 194142), (741, 173444), (786, 163514), (988, 130083), (993, 129428), (1324, 97071), (1482, 86722), (1572, 81757), (1703, 75468), (1986, 64714), (2489, 51636), (2964, 43361), (3406, 37734), (3972, 32357), (4303, 29868), (4978, 25818), (5109, 25156), (6289, 20436), (6812, 18867), (7467, 17212), (8606, 14934), (9956, 12909), (10218, 12578)]