128711628

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 359573760

約数和(自身を除く): 230862132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 31, 36, 41, 58, 62, 82, 87, 93, 97, 116, 123, 124, 164, 174, 186, 194, 246, 261, 279, 291, 348, 369, 372, 388, 492, 522, 558, 582, 738, 873, 899, 1044, 1116, 1164, 1189, 1271, 1476, 1746, 1798, 2378, 2542, 2697, 2813, 3007, 3492, 3567, 3596, 3813, 3977, 4756, 5084, 5394, 5626, 6014, 7134, 7626, 7954, 8091, 8439, 9021, 10701, 10788, 11252, 11439, 11931, 12028, 14268, 15252, 15908, 16182, 16878, 18042, 21402, 22878, 23862, 25317, 27063, 32364, 33756, 35793, 36084, 36859, 42804, 45756, 47724, 50634, 54126, 71586, 73718, 87203, 101268, 108252, 110577, 115333, 123287, 143172, 147436, 174406, 221154, 230666, 246574, 261609, 331731, 345999, 348812, 369861, 442308, 461332, 493148, 523218, 663462, 691998, 739722, 784827, 1037997, 1046436, 1109583, 1326924, 1383996, 1479444, 1569654, 2075994, 2219166, 3139308, 3575323, 4151988, 4438332, 7150646, 10725969, 14301292, 21451938, 32177907, 42903876, 64355814, 128711628]

約数ペア:

[(1, 128711628), (2, 64355814), (3, 42903876), (4, 32177907), (6, 21451938), (9, 14301292), (12, 10725969), (18, 7150646), (29, 4438332), (31, 4151988), (36, 3575323), (41, 3139308), (58, 2219166), (62, 2075994), (82, 1569654), (87, 1479444), (93, 1383996), (97, 1326924), (116, 1109583), (123, 1046436), (124, 1037997), (164, 784827), (174, 739722), (186, 691998), (194, 663462), (246, 523218), (261, 493148), (279, 461332), (291, 442308), (348, 369861), (369, 348812), (372, 345999), (388, 331731), (492, 261609), (522, 246574), (558, 230666), (582, 221154), (738, 174406), (873, 147436), (899, 143172), (1044, 123287), (1116, 115333), (1164, 110577), (1189, 108252), (1271, 101268), (1476, 87203), (1746, 73718), (1798, 71586), (2378, 54126), (2542, 50634), (2697, 47724), (2813, 45756), (3007, 42804), (3492, 36859), (3567, 36084), (3596, 35793), (3813, 33756), (3977, 32364), (4756, 27063), (5084, 25317), (5394, 23862), (5626, 22878), (6014, 21402), (7134, 18042), (7626, 16878), (7954, 16182), (8091, 15908), (8439, 15252), (9021, 14268), (10701, 12028), (10788, 11931), (11252, 11439)]