201914515

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{4021}}^1$

素因数の和:4131

約数の個数: 24

約数和(自身を含む): 269602704

約数和(自身を除く): 67688189

約数列:

[1, 5, 11, 55, 83, 121, 415, 605, 913, 4021, 4565, 10043, 20105, 44231, 50215, 221155, 333743, 486541, 1668715, 2432705, 3671173, 18355865, 40382903, 201914515]

約数ペア:

[(1, 201914515), (5, 40382903), (11, 18355865), (55, 3671173), (83, 2432705), (121, 1668715), (415, 486541), (605, 333743), (913, 221155), (4021, 50215), (4565, 44231), (10043, 20105)]