81772015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{659}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 111767040

約数和(自身を除く): 29995025

約数列:

[1, 5, 13, 23, 65, 83, 115, 299, 415, 659, 1079, 1495, 1909, 3295, 5395, 8567, 9545, 15157, 24817, 42835, 54697, 75785, 124085, 197041, 273485, 711061, 985205, 1258031, 3555305, 6290155, 16354403, 81772015]

約数ペア:

[(1, 81772015), (5, 16354403), (13, 6290155), (23, 3555305), (65, 1258031), (83, 985205), (115, 711061), (299, 273485), (415, 197041), (659, 124085), (1079, 75785), (1495, 54697), (1909, 42835), (3295, 24817), (5395, 15157), (8567, 9545)]