161567245

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{823}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 227819520

約数和(自身を除く): 66252275

約数列:

[1, 5, 7, 35, 71, 79, 355, 395, 497, 553, 823, 2485, 2765, 4115, 5609, 5761, 28045, 28805, 39263, 58433, 65017, 196315, 292165, 325085, 409031, 455119, 2045155, 2275595, 4616207, 23081035, 32313449, 161567245]

約数ペア:

[(1, 161567245), (5, 32313449), (7, 23081035), (35, 4616207), (71, 2275595), (79, 2045155), (355, 455119), (395, 409031), (497, 325085), (553, 292165), (823, 196315), (2485, 65017), (2765, 58433), (4115, 39263), (5609, 28805), (5761, 28045)]