204787715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:851

約数の個数: 32

約数和(自身を含む): 276832512

約数和(自身を除く): 72044797

約数列:

[1, 5, 11, 43, 55, 131, 215, 473, 655, 661, 1441, 2365, 3305, 5633, 7205, 7271, 28165, 28423, 36355, 61963, 86591, 142115, 309815, 312653, 432955, 952501, 1563265, 3723413, 4762505, 18617065, 40957543, 204787715]

約数ペア:

[(1, 204787715), (5, 40957543), (11, 18617065), (43, 4762505), (55, 3723413), (131, 1563265), (215, 952501), (473, 432955), (655, 312653), (661, 309815), (1441, 142115), (2365, 86591), (3305, 61963), (5633, 36355), (7205, 28423), (7271, 28165)]