28161640105

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{751}}^1\times {\mathrm{19181}}^1$

素因数の和:19977

約数の個数: 32

約数和(自身を含む): 37389247488

約数和(自身を除く): 9227607383

約数列:

[1, 5, 17, 23, 85, 115, 391, 751, 1955, 3755, 12767, 17273, 19181, 63835, 86365, 95905, 293641, 326077, 441163, 1468205, 1630385, 2205815, 7499771, 14404931, 37498855, 72024655, 244883827, 331313413, 1224419135, 1656567065, 5632328021, 28161640105]

約数ペア:

[(1, 28161640105), (5, 5632328021), (17, 1656567065), (23, 1224419135), (85, 331313413), (115, 244883827), (391, 72024655), (751, 37498855), (1955, 14404931), (3755, 7499771), (12767, 2205815), (17273, 1630385), (19181, 1468205), (63835, 441163), (86365, 326077), (95905, 293641)]