1285778754

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:581

約数の個数: 144

約数和(自身を含む): 3275161344

約数和(自身を除く): 1989382590

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 31, 38, 39, 57, 62, 78, 93, 114, 117, 171, 186, 234, 247, 279, 342, 361, 403, 491, 494, 558, 589, 722, 741, 806, 982, 1083, 1178, 1209, 1473, 1482, 1767, 2166, 2223, 2418, 2946, 3249, 3534, 3627, 4419, 4446, 4693, 5301, 6383, 6498, 7254, 7657, 8838, 9329, 9386, 10602, 11191, 12766, 14079, 15221, 15314, 18658, 19149, 22382, 22971, 27987, 28158, 30442, 33573, 38298, 42237, 45663, 45942, 55974, 57447, 67146, 68913, 83961, 84474, 91326, 100719, 114894, 121277, 136989, 137826, 145483, 167922, 177251, 197873, 201438, 242554, 273978, 289199, 290966, 354502, 363831, 395746, 436449, 531753, 578398, 593619, 727662, 867597, 872898, 1063506, 1091493, 1187238, 1309347, 1595259, 1735194, 1780857, 2182986, 2304263, 2602791, 2618694, 3190518, 3561714, 3759587, 4608526, 5205582, 5494781, 6912789, 7519174, 10989562, 11278761, 13825578, 16484343, 20738367, 22557522, 32968686, 33836283, 41476734, 49453029, 67672566, 71432153, 98906058, 142864306, 214296459, 428592918, 642889377, 1285778754]

約数ペア:

[(1, 1285778754), (2, 642889377), (3, 428592918), (6, 214296459), (9, 142864306), (13, 98906058), (18, 71432153), (19, 67672566), (26, 49453029), (31, 41476734), (38, 33836283), (39, 32968686), (57, 22557522), (62, 20738367), (78, 16484343), (93, 13825578), (114, 11278761), (117, 10989562), (171, 7519174), (186, 6912789), (234, 5494781), (247, 5205582), (279, 4608526), (342, 3759587), (361, 3561714), (403, 3190518), (491, 2618694), (494, 2602791), (558, 2304263), (589, 2182986), (722, 1780857), (741, 1735194), (806, 1595259), (982, 1309347), (1083, 1187238), (1178, 1091493), (1209, 1063506), (1473, 872898), (1482, 867597), (1767, 727662), (2166, 593619), (2223, 578398), (2418, 531753), (2946, 436449), (3249, 395746), (3534, 363831), (3627, 354502), (4419, 290966), (4446, 289199), (4693, 273978), (5301, 242554), (6383, 201438), (6498, 197873), (7254, 177251), (7657, 167922), (8838, 145483), (9329, 137826), (9386, 136989), (10602, 121277), (11191, 114894), (12766, 100719), (14079, 91326), (15221, 84474), (15314, 83961), (18658, 68913), (19149, 67146), (22382, 57447), (22971, 55974), (27987, 45942), (28158, 45663), (30442, 42237), (33573, 38298)]