78996008

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:547

約数の個数: 96

約数和(自身を含む): 194477760

約数和(自身を除く): 115481752

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 91, 104, 119, 136, 169, 182, 221, 238, 338, 364, 442, 476, 491, 676, 728, 884, 952, 982, 1183, 1352, 1547, 1768, 1964, 2366, 2873, 3094, 3437, 3928, 4732, 5746, 6188, 6383, 6874, 8347, 9464, 11492, 12376, 12766, 13748, 16694, 20111, 22984, 25532, 27496, 33388, 40222, 44681, 51064, 58429, 66776, 80444, 82979, 89362, 108511, 116858, 160888, 165958, 178724, 217022, 233716, 331916, 357448, 434044, 467432, 580853, 663832, 759577, 868088, 1161706, 1410643, 1519154, 2323412, 2821286, 3038308, 4646824, 5642572, 6076616, 9874501, 11285144, 19749002, 39498004, 78996008]

約数ペア:

[(1, 78996008), (2, 39498004), (4, 19749002), (7, 11285144), (8, 9874501), (13, 6076616), (14, 5642572), (17, 4646824), (26, 3038308), (28, 2821286), (34, 2323412), (52, 1519154), (56, 1410643), (68, 1161706), (91, 868088), (104, 759577), (119, 663832), (136, 580853), (169, 467432), (182, 434044), (221, 357448), (238, 331916), (338, 233716), (364, 217022), (442, 178724), (476, 165958), (491, 160888), (676, 116858), (728, 108511), (884, 89362), (952, 82979), (982, 80444), (1183, 66776), (1352, 58429), (1547, 51064), (1768, 44681), (1964, 40222), (2366, 33388), (2873, 27496), (3094, 25532), (3437, 22984), (3928, 20111), (4732, 16694), (5746, 13748), (6188, 12766), (6383, 12376), (6874, 11492), (8347, 9464)]