78905092

素因数分解:

$2^2\times 7^3\times {\mathrm{17}}^2\times {\mathrm{199}}^1$

素因数の和:258

約数の個数: 72

約数和(自身を含む): 171920000

約数和(自身を除く): 93014908

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 196, 199, 238, 289, 343, 398, 476, 578, 686, 796, 833, 1156, 1372, 1393, 1666, 2023, 2786, 3332, 3383, 4046, 5572, 5831, 6766, 8092, 9751, 11662, 13532, 14161, 19502, 23324, 23681, 28322, 39004, 47362, 56644, 57511, 68257, 94724, 99127, 115022, 136514, 165767, 198254, 230044, 273028, 331534, 396508, 402577, 663068, 805154, 1160369, 1610308, 2320738, 2818039, 4641476, 5636078, 11272156, 19726273, 39452546, 78905092]

約数ペア:

[(1, 78905092), (2, 39452546), (4, 19726273), (7, 11272156), (14, 5636078), (17, 4641476), (28, 2818039), (34, 2320738), (49, 1610308), (68, 1160369), (98, 805154), (119, 663068), (196, 402577), (199, 396508), (238, 331534), (289, 273028), (343, 230044), (398, 198254), (476, 165767), (578, 136514), (686, 115022), (796, 99127), (833, 94724), (1156, 68257), (1372, 57511), (1393, 56644), (1666, 47362), (2023, 39004), (2786, 28322), (3332, 23681), (3383, 23324), (4046, 19502), (5572, 14161), (5831, 13532), (6766, 11662), (8092, 9751)]