81624648

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1249}}^1$

素因数の和:1654

約数の個数: 64

約数和(自身を含む): 234000000

約数和(自身を除く): 152375352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 389, 778, 1167, 1249, 1556, 2334, 2498, 2723, 3112, 3747, 4668, 4996, 5446, 7494, 8169, 8743, 9336, 9992, 10892, 14988, 16338, 17486, 21784, 26229, 29976, 32676, 34972, 52458, 65352, 69944, 104916, 209832, 485861, 971722, 1457583, 1943444, 2915166, 3401027, 3886888, 5830332, 6802054, 10203081, 11660664, 13604108, 20406162, 27208216, 40812324, 81624648]

約数ペア:

[(1, 81624648), (2, 40812324), (3, 27208216), (4, 20406162), (6, 13604108), (7, 11660664), (8, 10203081), (12, 6802054), (14, 5830332), (21, 3886888), (24, 3401027), (28, 2915166), (42, 1943444), (56, 1457583), (84, 971722), (168, 485861), (389, 209832), (778, 104916), (1167, 69944), (1249, 65352), (1556, 52458), (2334, 34972), (2498, 32676), (2723, 29976), (3112, 26229), (3747, 21784), (4668, 17486), (4996, 16338), (5446, 14988), (7494, 10892), (8169, 9992), (8743, 9336)]