128418786

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:244

約数の個数: 96

約数和(自身を含む): 303217200

約数和(自身を除く): 174798414

約数列:

[1, 2, 3, 6, 9, 18, 29, 37, 58, 61, 74, 87, 109, 111, 122, 174, 183, 218, 222, 261, 327, 333, 366, 522, 549, 654, 666, 981, 1073, 1098, 1769, 1962, 2146, 2257, 3161, 3219, 3538, 4033, 4514, 5307, 6322, 6438, 6649, 6771, 8066, 9483, 9657, 10614, 12099, 13298, 13542, 15921, 18966, 19314, 19947, 20313, 24198, 28449, 31842, 36297, 39894, 40626, 56898, 59841, 65453, 72594, 116957, 119682, 130906, 192821, 196359, 233914, 246013, 350871, 385642, 392718, 492026, 578463, 589077, 701742, 738039, 1052613, 1156926, 1178154, 1476078, 1735389, 2105226, 2214117, 3470778, 4428234, 7134377, 14268754, 21403131, 42806262, 64209393, 128418786]

約数ペア:

[(1, 128418786), (2, 64209393), (3, 42806262), (6, 21403131), (9, 14268754), (18, 7134377), (29, 4428234), (37, 3470778), (58, 2214117), (61, 2105226), (74, 1735389), (87, 1476078), (109, 1178154), (111, 1156926), (122, 1052613), (174, 738039), (183, 701742), (218, 589077), (222, 578463), (261, 492026), (327, 392718), (333, 385642), (366, 350871), (522, 246013), (549, 233914), (654, 196359), (666, 192821), (981, 130906), (1073, 119682), (1098, 116957), (1769, 72594), (1962, 65453), (2146, 59841), (2257, 56898), (3161, 40626), (3219, 39894), (3538, 36297), (4033, 31842), (4514, 28449), (5307, 24198), (6322, 20313), (6438, 19947), (6649, 19314), (6771, 18966), (8066, 15921), (9483, 13542), (9657, 13298), (10614, 12099)]