201105215

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2969}}^1$

素因数の和:3047

約数の個数: 32

約数和(自身を含む): 273715200

約数和(自身を除く): 72609985

約数列:

[1, 5, 19, 23, 31, 95, 115, 155, 437, 589, 713, 2185, 2945, 2969, 3565, 13547, 14845, 56411, 67735, 68287, 92039, 282055, 341435, 460195, 1297453, 1748741, 2116897, 6487265, 8743705, 10584485, 40221043, 201105215]

約数ペア:

[(1, 201105215), (5, 40221043), (19, 10584485), (23, 8743705), (31, 6487265), (95, 2116897), (115, 1748741), (155, 1297453), (437, 460195), (589, 341435), (713, 282055), (2185, 92039), (2945, 68287), (2969, 67735), (3565, 56411), (13547, 14845)]