643670358

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{16421}}^1$

素因数の和:16612

約数の個数: 32

約数和(自身を含む): 1324270080

約数和(自身を除く): 680599722

約数列:

[1, 2, 3, 6, 47, 94, 139, 141, 278, 282, 417, 834, 6533, 13066, 16421, 19599, 32842, 39198, 49263, 98526, 771787, 1543574, 2282519, 2315361, 4565038, 4630722, 6847557, 13695114, 107278393, 214556786, 321835179, 643670358]

約数ペア:

[(1, 643670358), (2, 321835179), (3, 214556786), (6, 107278393), (47, 13695114), (94, 6847557), (139, 4630722), (141, 4565038), (278, 2315361), (282, 2282519), (417, 1543574), (834, 771787), (6533, 98526), (13066, 49263), (16421, 39198), (19599, 32842)]