1620938488

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:849

約数の個数: 96

約数和(自身を含む): 3508110000

約数和(自身を除く): 1887171512

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 89, 104, 152, 169, 178, 247, 338, 356, 494, 676, 709, 712, 988, 1157, 1352, 1418, 1691, 1976, 2314, 2836, 3211, 3382, 4628, 5672, 6422, 6764, 9217, 9256, 12844, 13471, 13528, 15041, 18434, 21983, 25688, 26942, 30082, 36868, 43966, 53884, 60164, 63101, 73736, 87932, 107768, 119821, 120328, 126202, 175123, 175864, 239642, 252404, 285779, 350246, 479284, 504808, 571558, 700492, 820313, 958568, 1143116, 1198919, 1400984, 1640626, 2276599, 2286232, 2397838, 3281252, 4553198, 4795676, 6562504, 9106396, 9591352, 10664069, 15585947, 18212792, 21328138, 31171894, 42656276, 62343788, 85312552, 124687576, 202617311, 405234622, 810469244, 1620938488]

約数ペア:

[(1, 1620938488), (2, 810469244), (4, 405234622), (8, 202617311), (13, 124687576), (19, 85312552), (26, 62343788), (38, 42656276), (52, 31171894), (76, 21328138), (89, 18212792), (104, 15585947), (152, 10664069), (169, 9591352), (178, 9106396), (247, 6562504), (338, 4795676), (356, 4553198), (494, 3281252), (676, 2397838), (709, 2286232), (712, 2276599), (988, 1640626), (1157, 1400984), (1352, 1198919), (1418, 1143116), (1691, 958568), (1976, 820313), (2314, 700492), (2836, 571558), (3211, 504808), (3382, 479284), (4628, 350246), (5672, 285779), (6422, 252404), (6764, 239642), (9217, 175864), (9256, 175123), (12844, 126202), (13471, 120328), (13528, 119821), (15041, 107768), (18434, 87932), (21983, 73736), (25688, 63101), (26942, 60164), (30082, 53884), (36868, 43966)]