81809478

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5563}}^1$

素因数の和:5633

約数の個数: 48

約数和(自身を含む): 190956480

約数和(自身を除く): 109147002

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 43, 57, 86, 114, 129, 171, 258, 342, 387, 774, 817, 1634, 2451, 4902, 5563, 7353, 11126, 14706, 16689, 33378, 50067, 100134, 105697, 211394, 239209, 317091, 478418, 634182, 717627, 951273, 1435254, 1902546, 2152881, 4305762, 4544971, 9089942, 13634913, 27269826, 40904739, 81809478]

約数ペア:

[(1, 81809478), (2, 40904739), (3, 27269826), (6, 13634913), (9, 9089942), (18, 4544971), (19, 4305762), (38, 2152881), (43, 1902546), (57, 1435254), (86, 951273), (114, 717627), (129, 634182), (171, 478418), (258, 317091), (342, 239209), (387, 211394), (774, 105697), (817, 100134), (1634, 50067), (2451, 33378), (4902, 16689), (5563, 14706), (7353, 11126)]