217892015

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{809}}^1$

素因数の和:967

約数の個数: 32

約数和(自身を含む): 293932800

約数和(自身を除く): 76040785

約数列:

[1, 5, 11, 55, 59, 83, 295, 415, 649, 809, 913, 3245, 4045, 4565, 4897, 8899, 24485, 44495, 47731, 53867, 67147, 238655, 269335, 335735, 525041, 738617, 2625205, 3693085, 3961673, 19808365, 43578403, 217892015]

約数ペア:

[(1, 217892015), (5, 43578403), (11, 19808365), (55, 3961673), (59, 3693085), (83, 2625205), (295, 738617), (415, 525041), (649, 335735), (809, 269335), (913, 238655), (3245, 67147), (4045, 53867), (4565, 47731), (4897, 44495), (8899, 24485)]