2840465

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:272

約数の個数: 16

約数和(自身を含む): 3541440

約数和(自身を除く): 700975

約数列:

[1, 5, 61, 67, 139, 305, 335, 695, 4087, 8479, 9313, 20435, 42395, 46565, 568093, 2840465]

約数ペア:

[(1, 2840465), (5, 568093), (61, 46565), (67, 42395), (139, 20435), (305, 9313), (335, 8479), (695, 4087)]