78447474

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 210124800

約数和(自身を除く): 131677326

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 71, 74, 79, 111, 126, 142, 158, 189, 213, 222, 237, 259, 333, 378, 426, 474, 497, 518, 553, 639, 666, 711, 777, 994, 999, 1106, 1278, 1422, 1491, 1554, 1659, 1917, 1998, 2133, 2331, 2627, 2923, 2982, 3318, 3834, 4266, 4473, 4662, 4977, 5254, 5609, 5846, 6993, 7881, 8769, 8946, 9954, 11218, 13419, 13986, 14931, 15762, 16827, 17538, 18389, 20461, 23643, 26307, 26838, 29862, 33654, 36778, 39263, 40922, 47286, 50481, 52614, 55167, 61383, 70929, 78526, 78921, 100962, 110334, 117789, 122766, 141858, 151443, 157842, 165501, 184149, 207533, 235578, 302886, 331002, 353367, 368298, 415066, 496503, 552447, 622599, 706734, 993006, 1060101, 1104894, 1245198, 1452731, 1867797, 2120202, 2905462, 3735594, 4358193, 5603391, 8716386, 11206782, 13074579, 26149158, 39223737, 78447474]

約数ペア:

[(1, 78447474), (2, 39223737), (3, 26149158), (6, 13074579), (7, 11206782), (9, 8716386), (14, 5603391), (18, 4358193), (21, 3735594), (27, 2905462), (37, 2120202), (42, 1867797), (54, 1452731), (63, 1245198), (71, 1104894), (74, 1060101), (79, 993006), (111, 706734), (126, 622599), (142, 552447), (158, 496503), (189, 415066), (213, 368298), (222, 353367), (237, 331002), (259, 302886), (333, 235578), (378, 207533), (426, 184149), (474, 165501), (497, 157842), (518, 151443), (553, 141858), (639, 122766), (666, 117789), (711, 110334), (777, 100962), (994, 78921), (999, 78526), (1106, 70929), (1278, 61383), (1422, 55167), (1491, 52614), (1554, 50481), (1659, 47286), (1917, 40922), (1998, 39263), (2133, 36778), (2331, 33654), (2627, 29862), (2923, 26838), (2982, 26307), (3318, 23643), (3834, 20461), (4266, 18389), (4473, 17538), (4662, 16827), (4977, 15762), (5254, 14931), (5609, 13986), (5846, 13419), (6993, 11218), (7881, 9954), (8769, 8946)]