72816965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{919}}^1$

素因数の和:1013

約数の個数: 32

約数和(自身を含む): 100154880

約数和(自身を除く): 27337915

約数列:

[1, 5, 13, 23, 53, 65, 115, 265, 299, 689, 919, 1219, 1495, 3445, 4595, 6095, 11947, 15847, 21137, 48707, 59735, 79235, 105685, 243535, 274781, 633191, 1120261, 1373905, 3165955, 5601305, 14563393, 72816965]

約数ペア:

[(1, 72816965), (5, 14563393), (13, 5601305), (23, 3165955), (53, 1373905), (65, 1120261), (115, 633191), (265, 274781), (299, 243535), (689, 105685), (919, 79235), (1219, 59735), (1495, 48707), (3445, 21137), (4595, 15847), (6095, 11947)]