81605328

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{242873}}^1$

素因数の和:242891

約数の個数: 40

約数和(自身を含む): 240931008

約数和(自身を除く): 159325680

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 242873, 485746, 728619, 971492, 1457238, 1700111, 1942984, 2914476, 3400222, 3885968, 5100333, 5828952, 6800444, 10200666, 11657904, 13600888, 20401332, 27201776, 40802664, 81605328]

約数ペア:

[(1, 81605328), (2, 40802664), (3, 27201776), (4, 20401332), (6, 13600888), (7, 11657904), (8, 10200666), (12, 6800444), (14, 5828952), (16, 5100333), (21, 3885968), (24, 3400222), (28, 2914476), (42, 1942984), (48, 1700111), (56, 1457238), (84, 971492), (112, 728619), (168, 485746), (336, 242873)]