79020018

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:181

約数の個数: 144

約数和(自身を含む): 221090688

約数和(自身を除く): 142070670

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 71, 73, 77, 99, 121, 126, 142, 146, 154, 198, 213, 219, 231, 242, 363, 426, 438, 462, 497, 511, 639, 657, 693, 726, 781, 803, 847, 994, 1022, 1089, 1278, 1314, 1386, 1491, 1533, 1562, 1606, 1694, 2178, 2343, 2409, 2541, 2982, 3066, 4473, 4599, 4686, 4818, 5082, 5183, 5467, 5621, 7029, 7227, 7623, 8591, 8833, 8946, 9198, 10366, 10934, 11242, 14058, 14454, 15246, 15549, 16401, 16863, 17182, 17666, 25773, 26499, 31098, 32802, 33726, 36281, 46647, 49203, 50589, 51546, 52998, 57013, 60137, 61831, 72562, 77319, 79497, 93294, 98406, 101178, 108843, 114026, 120274, 123662, 154638, 158994, 171039, 180411, 185493, 217686, 326529, 342078, 360822, 370986, 399091, 513117, 541233, 556479, 627143, 653058, 798182, 1026234, 1082466, 1112958, 1197273, 1254286, 1881429, 2394546, 3591819, 3762858, 4390001, 5644287, 7183638, 8780002, 11288574, 13170003, 26340006, 39510009, 79020018]

約数ペア:

[(1, 79020018), (2, 39510009), (3, 26340006), (6, 13170003), (7, 11288574), (9, 8780002), (11, 7183638), (14, 5644287), (18, 4390001), (21, 3762858), (22, 3591819), (33, 2394546), (42, 1881429), (63, 1254286), (66, 1197273), (71, 1112958), (73, 1082466), (77, 1026234), (99, 798182), (121, 653058), (126, 627143), (142, 556479), (146, 541233), (154, 513117), (198, 399091), (213, 370986), (219, 360822), (231, 342078), (242, 326529), (363, 217686), (426, 185493), (438, 180411), (462, 171039), (497, 158994), (511, 154638), (639, 123662), (657, 120274), (693, 114026), (726, 108843), (781, 101178), (803, 98406), (847, 93294), (994, 79497), (1022, 77319), (1089, 72562), (1278, 61831), (1314, 60137), (1386, 57013), (1491, 52998), (1533, 51546), (1562, 50589), (1606, 49203), (1694, 46647), (2178, 36281), (2343, 33726), (2409, 32802), (2541, 31098), (2982, 26499), (3066, 25773), (4473, 17666), (4599, 17182), (4686, 16863), (4818, 16401), (5082, 15549), (5183, 15246), (5467, 14454), (5621, 14058), (7029, 11242), (7227, 10934), (7623, 10366), (8591, 9198), (8833, 8946)]