81018896

素因数分解:

$2^4\times 7^1\times {\mathrm{467}}^1\times {\mathrm{1549}}^1$

素因数の和:2031

約数の個数: 40

約数和(自身を含む): 179899200

約数和(自身を除く): 98880304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 467, 934, 1549, 1868, 3098, 3269, 3736, 6196, 6538, 7472, 10843, 12392, 13076, 21686, 24784, 26152, 43372, 52304, 86744, 173488, 723383, 1446766, 2893532, 5063681, 5787064, 10127362, 11574128, 20254724, 40509448, 81018896]

約数ペア:

[(1, 81018896), (2, 40509448), (4, 20254724), (7, 11574128), (8, 10127362), (14, 5787064), (16, 5063681), (28, 2893532), (56, 1446766), (112, 723383), (467, 173488), (934, 86744), (1549, 52304), (1868, 43372), (3098, 26152), (3269, 24784), (3736, 21686), (6196, 13076), (6538, 12392), (7472, 10843)]