398351856

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{2357}}^1$

素因数の和:2878

約数の個数: 80

約数和(自身を含む): 1178924544

約数和(自身を除く): 780572688

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 503, 1006, 1509, 2012, 2357, 3018, 3521, 4024, 4714, 6036, 7042, 7071, 8048, 9428, 10563, 12072, 14084, 14142, 16499, 18856, 21126, 24144, 28168, 28284, 32998, 37712, 42252, 49497, 56336, 56568, 65996, 84504, 98994, 113136, 131992, 169008, 197988, 263984, 395976, 791952, 1185571, 2371142, 3556713, 4742284, 7113426, 8298997, 9484568, 14226852, 16597994, 18969136, 24896991, 28453704, 33195988, 49793982, 56907408, 66391976, 99587964, 132783952, 199175928, 398351856]

約数ペア:

[(1, 398351856), (2, 199175928), (3, 132783952), (4, 99587964), (6, 66391976), (7, 56907408), (8, 49793982), (12, 33195988), (14, 28453704), (16, 24896991), (21, 18969136), (24, 16597994), (28, 14226852), (42, 9484568), (48, 8298997), (56, 7113426), (84, 4742284), (112, 3556713), (168, 2371142), (336, 1185571), (503, 791952), (1006, 395976), (1509, 263984), (2012, 197988), (2357, 169008), (3018, 131992), (3521, 113136), (4024, 98994), (4714, 84504), (6036, 65996), (7042, 56568), (7071, 56336), (8048, 49497), (9428, 42252), (10563, 37712), (12072, 32998), (14084, 28284), (14142, 28168), (16499, 24144), (18856, 21126)]