138749495

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1621}}^1$

素因数の和:1715

約数の個数: 32

約数和(自身を含む): 189190080

約数和(自身を除く): 50440585

約数列:

[1, 5, 17, 19, 53, 85, 95, 265, 323, 901, 1007, 1615, 1621, 4505, 5035, 8105, 17119, 27557, 30799, 85595, 85913, 137785, 153995, 429565, 523583, 1460521, 1632347, 2617915, 7302605, 8161735, 27749899, 138749495]

約数ペア:

[(1, 138749495), (5, 27749899), (17, 8161735), (19, 7302605), (53, 2617915), (85, 1632347), (95, 1460521), (265, 523583), (323, 429565), (901, 153995), (1007, 137785), (1615, 85913), (1621, 85595), (4505, 30799), (5035, 27557), (8105, 17119)]