87920638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4139}}^1$

素因数の和:4216

約数の個数: 32

約数和(自身を含む): 153014400

約数和(自身を除く): 65093762

約数列:

[1, 2, 13, 19, 26, 38, 43, 86, 247, 494, 559, 817, 1118, 1634, 4139, 8278, 10621, 21242, 53807, 78641, 107614, 157282, 177977, 355954, 1022333, 2044666, 2313701, 3381563, 4627402, 6763126, 43960319, 87920638]

約数ペア:

[(1, 87920638), (2, 43960319), (13, 6763126), (19, 4627402), (26, 3381563), (38, 2313701), (43, 2044666), (86, 1022333), (247, 355954), (494, 177977), (559, 157282), (817, 107614), (1118, 78641), (1634, 53807), (4139, 21242), (8278, 10621)]