81095868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 246564864

約数和(自身を除く): 165468996

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 41, 42, 47, 63, 82, 84, 94, 123, 126, 141, 164, 167, 188, 246, 252, 282, 287, 329, 334, 369, 423, 492, 501, 564, 574, 658, 668, 738, 846, 861, 987, 1002, 1148, 1169, 1316, 1476, 1503, 1692, 1722, 1927, 1974, 2004, 2338, 2583, 2961, 3006, 3444, 3507, 3854, 3948, 4676, 5166, 5781, 5922, 6012, 6847, 7014, 7708, 7849, 10332, 10521, 11562, 11844, 13489, 13694, 14028, 15698, 17343, 20541, 21042, 23124, 23547, 26978, 27388, 31396, 34686, 40467, 41082, 42084, 47094, 47929, 53956, 54943, 61623, 69372, 70641, 80934, 82164, 94188, 95858, 109886, 121401, 123246, 141282, 143787, 161868, 164829, 191716, 219772, 242802, 246492, 282564, 287574, 321809, 329658, 431361, 485604, 494487, 575148, 643618, 659316, 862722, 965427, 988974, 1287236, 1725444, 1930854, 1977948, 2252663, 2896281, 3861708, 4505326, 5792562, 6757989, 9010652, 11585124, 13515978, 20273967, 27031956, 40547934, 81095868]

約数ペア:

[(1, 81095868), (2, 40547934), (3, 27031956), (4, 20273967), (6, 13515978), (7, 11585124), (9, 9010652), (12, 6757989), (14, 5792562), (18, 4505326), (21, 3861708), (28, 2896281), (36, 2252663), (41, 1977948), (42, 1930854), (47, 1725444), (63, 1287236), (82, 988974), (84, 965427), (94, 862722), (123, 659316), (126, 643618), (141, 575148), (164, 494487), (167, 485604), (188, 431361), (246, 329658), (252, 321809), (282, 287574), (287, 282564), (329, 246492), (334, 242802), (369, 219772), (423, 191716), (492, 164829), (501, 161868), (564, 143787), (574, 141282), (658, 123246), (668, 121401), (738, 109886), (846, 95858), (861, 94188), (987, 82164), (1002, 80934), (1148, 70641), (1169, 69372), (1316, 61623), (1476, 54943), (1503, 53956), (1692, 47929), (1722, 47094), (1927, 42084), (1974, 41082), (2004, 40467), (2338, 34686), (2583, 31396), (2961, 27388), (3006, 26978), (3444, 23547), (3507, 23124), (3854, 21042), (3948, 20541), (4676, 17343), (5166, 15698), (5781, 14028), (5922, 13694), (6012, 13489), (6847, 11844), (7014, 11562), (7708, 10521), (7849, 10332)]