7981415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 11321856

約数和(自身を除く): 3340441

約数列:

[1, 5, 13, 17, 31, 65, 85, 155, 221, 233, 403, 527, 1105, 1165, 2015, 2635, 3029, 3961, 6851, 7223, 15145, 19805, 34255, 36115, 51493, 93899, 122791, 257465, 469495, 613955, 1596283, 7981415]

約数ペア:

[(1, 7981415), (5, 1596283), (13, 613955), (17, 469495), (31, 257465), (65, 122791), (85, 93899), (155, 51493), (221, 36115), (233, 34255), (403, 19805), (527, 15145), (1105, 7223), (1165, 6851), (2015, 3961), (2635, 3029)]