72489438

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:199

約数の個数: 128

約数和(自身を含む): 194365440

約数和(自身を除く): 121876002

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 71, 73, 74, 111, 126, 142, 146, 189, 213, 219, 222, 259, 333, 378, 426, 438, 497, 511, 518, 639, 657, 666, 777, 994, 999, 1022, 1278, 1314, 1491, 1533, 1554, 1917, 1971, 1998, 2331, 2627, 2701, 2982, 3066, 3834, 3942, 4473, 4599, 4662, 5183, 5254, 5402, 6993, 7881, 8103, 8946, 9198, 10366, 13419, 13797, 13986, 15549, 15762, 16206, 18389, 18907, 23643, 24309, 26838, 27594, 31098, 36281, 36778, 37814, 46647, 47286, 48618, 55167, 56721, 70929, 72562, 72927, 93294, 108843, 110334, 113442, 139941, 141858, 145854, 165501, 170163, 191771, 217686, 279882, 326529, 331002, 340326, 383542, 496503, 510489, 575313, 653058, 979587, 993006, 1020978, 1150626, 1342397, 1725939, 1959174, 2684794, 3451878, 4027191, 5177817, 8054382, 10355634, 12081573, 24163146, 36244719, 72489438]

約数ペア:

[(1, 72489438), (2, 36244719), (3, 24163146), (6, 12081573), (7, 10355634), (9, 8054382), (14, 5177817), (18, 4027191), (21, 3451878), (27, 2684794), (37, 1959174), (42, 1725939), (54, 1342397), (63, 1150626), (71, 1020978), (73, 993006), (74, 979587), (111, 653058), (126, 575313), (142, 510489), (146, 496503), (189, 383542), (213, 340326), (219, 331002), (222, 326529), (259, 279882), (333, 217686), (378, 191771), (426, 170163), (438, 165501), (497, 145854), (511, 141858), (518, 139941), (639, 113442), (657, 110334), (666, 108843), (777, 93294), (994, 72927), (999, 72562), (1022, 70929), (1278, 56721), (1314, 55167), (1491, 48618), (1533, 47286), (1554, 46647), (1917, 37814), (1971, 36778), (1998, 36281), (2331, 31098), (2627, 27594), (2701, 26838), (2982, 24309), (3066, 23643), (3834, 18907), (3942, 18389), (4473, 16206), (4599, 15762), (4662, 15549), (5183, 13986), (5254, 13797), (5402, 13419), (6993, 10366), (7881, 9198), (8103, 8946)]