10991405

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:173

約数の個数: 32

約数和(自身を含む): 14774400

約数和(自身を除く): 3782995

約数列:

[1, 5, 19, 37, 53, 59, 95, 185, 265, 295, 703, 1007, 1121, 1961, 2183, 3127, 3515, 5035, 5605, 9805, 10915, 15635, 37259, 41477, 59413, 115699, 186295, 207385, 297065, 578495, 2198281, 10991405]

約数ペア:

[(1, 10991405), (5, 2198281), (19, 578495), (37, 297065), (53, 207385), (59, 186295), (95, 115699), (185, 59413), (265, 41477), (295, 37259), (703, 15635), (1007, 10915), (1121, 9805), (1961, 5605), (2183, 5035), (3127, 3515)]