16381428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 46663680

約数和(自身を除く): 30282252

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 61, 69, 84, 92, 122, 138, 139, 161, 183, 244, 276, 278, 322, 366, 417, 427, 483, 556, 644, 732, 834, 854, 966, 973, 1281, 1403, 1668, 1708, 1932, 1946, 2562, 2806, 2919, 3197, 3892, 4209, 5124, 5612, 5838, 6394, 8418, 8479, 9591, 9821, 11676, 12788, 16836, 16958, 19182, 19642, 22379, 25437, 29463, 33916, 38364, 39284, 44758, 50874, 58926, 59353, 67137, 89516, 101748, 117852, 118706, 134274, 178059, 195017, 237412, 268548, 356118, 390034, 585051, 712236, 780068, 1170102, 1365119, 2340204, 2730238, 4095357, 5460476, 8190714, 16381428]

約数ペア:

[(1, 16381428), (2, 8190714), (3, 5460476), (4, 4095357), (6, 2730238), (7, 2340204), (12, 1365119), (14, 1170102), (21, 780068), (23, 712236), (28, 585051), (42, 390034), (46, 356118), (61, 268548), (69, 237412), (84, 195017), (92, 178059), (122, 134274), (138, 118706), (139, 117852), (161, 101748), (183, 89516), (244, 67137), (276, 59353), (278, 58926), (322, 50874), (366, 44758), (417, 39284), (427, 38364), (483, 33916), (556, 29463), (644, 25437), (732, 22379), (834, 19642), (854, 19182), (966, 16958), (973, 16836), (1281, 12788), (1403, 11676), (1668, 9821), (1708, 9591), (1932, 8479), (1946, 8418), (2562, 6394), (2806, 5838), (2919, 5612), (3197, 5124), (3892, 4209)]