259928305

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{19699}}^1$

素因数の和:19753

約数の個数: 32

約数和(自身を含む): 397152000

約数和(自身を除く): 137223695

約数列:

[1, 5, 7, 13, 29, 35, 65, 91, 145, 203, 377, 455, 1015, 1885, 2639, 13195, 19699, 98495, 137893, 256087, 571271, 689465, 1280435, 1792609, 2856355, 3998897, 7426523, 8963045, 19994485, 37132615, 51985661, 259928305]

約数ペア:

[(1, 259928305), (5, 51985661), (7, 37132615), (13, 19994485), (29, 8963045), (35, 7426523), (65, 3998897), (91, 2856355), (145, 1792609), (203, 1280435), (377, 689465), (455, 571271), (1015, 256087), (1885, 137893), (2639, 98495), (13195, 19699)]