387350425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6491}}^1$

素因数の和:6550

約数の個数: 48

約数和(自身を含む): 618246144

約数和(自身を除く): 230895719

約数列:

[1, 5, 7, 11, 25, 31, 35, 55, 77, 155, 175, 217, 275, 341, 385, 775, 1085, 1705, 1925, 2387, 5425, 6491, 8525, 11935, 32455, 45437, 59675, 71401, 162275, 201221, 227185, 357005, 499807, 1006105, 1135925, 1408547, 1785025, 2213431, 2499035, 5030525, 7042735, 11067155, 12495175, 15494017, 35213675, 55335775, 77470085, 387350425]

約数ペア:

[(1, 387350425), (5, 77470085), (7, 55335775), (11, 35213675), (25, 15494017), (31, 12495175), (35, 11067155), (55, 7042735), (77, 5030525), (155, 2499035), (175, 2213431), (217, 1785025), (275, 1408547), (341, 1135925), (385, 1006105), (775, 499807), (1085, 357005), (1705, 227185), (1925, 201221), (2387, 162275), (5425, 71401), (6491, 59675), (8525, 45437), (11935, 32455)]