201998195

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{2803}}^1$

素因数の和:2915

約数の個数: 32

約数和(自身を含む): 290718720

約数和(自身を除く): 88720525

約数列:

[1, 5, 7, 29, 35, 71, 145, 203, 355, 497, 1015, 2059, 2485, 2803, 10295, 14015, 14413, 19621, 72065, 81287, 98105, 199013, 406435, 569009, 995065, 1393091, 2845045, 5771377, 6965455, 28856885, 40399639, 201998195]

約数ペア:

[(1, 201998195), (5, 40399639), (7, 28856885), (29, 6965455), (35, 5771377), (71, 2845045), (145, 1393091), (203, 995065), (355, 569009), (497, 406435), (1015, 199013), (2059, 98105), (2485, 81287), (2803, 72065), (10295, 19621), (14015, 14413)]