28898065

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 41679360

約数和(自身を除く): 12781295

約数列:

[1, 5, 7, 29, 35, 71, 145, 203, 355, 401, 497, 1015, 2005, 2059, 2485, 2807, 10295, 11629, 14035, 14413, 28471, 58145, 72065, 81403, 142355, 199297, 407015, 825659, 996485, 4128295, 5779613, 28898065]

約数ペア:

[(1, 28898065), (5, 5779613), (7, 4128295), (29, 996485), (35, 825659), (71, 407015), (145, 199297), (203, 142355), (355, 81403), (401, 72065), (497, 58145), (1015, 28471), (2005, 14413), (2059, 14035), (2485, 11629), (2807, 10295)]