257671344

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{1601}}^1$

素因数の和:2098

約数の個数: 80

約数和(自身を含む): 762808320

約数和(自身を除く): 505136976

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 479, 958, 1437, 1601, 1916, 2874, 3202, 3353, 3832, 4803, 5748, 6404, 6706, 7664, 9606, 10059, 11207, 11496, 12808, 13412, 19212, 20118, 22414, 22992, 25616, 26824, 33621, 38424, 40236, 44828, 53648, 67242, 76848, 80472, 89656, 134484, 160944, 179312, 268968, 537936, 766879, 1533758, 2300637, 3067516, 4601274, 5368153, 6135032, 9202548, 10736306, 12270064, 16104459, 18405096, 21472612, 32208918, 36810192, 42945224, 64417836, 85890448, 128835672, 257671344]

約数ペア:

[(1, 257671344), (2, 128835672), (3, 85890448), (4, 64417836), (6, 42945224), (7, 36810192), (8, 32208918), (12, 21472612), (14, 18405096), (16, 16104459), (21, 12270064), (24, 10736306), (28, 9202548), (42, 6135032), (48, 5368153), (56, 4601274), (84, 3067516), (112, 2300637), (168, 1533758), (336, 766879), (479, 537936), (958, 268968), (1437, 179312), (1601, 160944), (1916, 134484), (2874, 89656), (3202, 80472), (3353, 76848), (3832, 67242), (4803, 53648), (5748, 44828), (6404, 40236), (6706, 38424), (7664, 33621), (9606, 26824), (10059, 25616), (11207, 22992), (11496, 22414), (12808, 20118), (13412, 19212)]