820199315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{22901}}^1$

素因数の和:22967

約数の個数: 32

約数和(自身を含む): 1154260800

約数和(自身を除く): 334061485

約数列:

[1, 5, 13, 19, 29, 65, 95, 145, 247, 377, 551, 1235, 1885, 2755, 7163, 22901, 35815, 114505, 297713, 435119, 664129, 1488565, 2175595, 3320645, 5656547, 8633677, 12618451, 28282735, 43168385, 63092255, 164039863, 820199315]

約数ペア:

[(1, 820199315), (5, 164039863), (13, 63092255), (19, 43168385), (29, 28282735), (65, 12618451), (95, 8633677), (145, 5656547), (247, 3320645), (377, 2175595), (551, 1488565), (1235, 664129), (1885, 435119), (2755, 297713), (7163, 114505), (22901, 35815)]