64991905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{619}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 89994240

約数和(自身を除く): 25002335

約数列:

[1, 5, 11, 23, 55, 83, 115, 253, 415, 619, 913, 1265, 1909, 3095, 4565, 6809, 9545, 14237, 20999, 34045, 51377, 71185, 104995, 156607, 256885, 565147, 783035, 1181671, 2825735, 5908355, 12998381, 64991905]

約数ペア:

[(1, 64991905), (5, 12998381), (11, 5908355), (23, 2825735), (55, 1181671), (83, 783035), (115, 565147), (253, 256885), (415, 156607), (619, 104995), (913, 71185), (1265, 51377), (1909, 34045), (3095, 20999), (4565, 14237), (6809, 9545)]