4981964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{643}}^1$

素因数の和:809

約数の個数: 24

約数和(自身を含む): 9466800

約数和(自身を除く): 4484836

約数列:

[1, 2, 4, 13, 26, 52, 149, 298, 596, 643, 1286, 1937, 2572, 3874, 7748, 8359, 16718, 33436, 95807, 191614, 383228, 1245491, 2490982, 4981964]

約数ペア:

[(1, 4981964), (2, 2490982), (4, 1245491), (13, 383228), (26, 191614), (52, 95807), (149, 33436), (298, 16718), (596, 8359), (643, 7748), (1286, 3874), (1937, 2572)]