1557310105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{797}}^1\times {\mathrm{1307}}^1$

素因数の和:2145

約数の個数: 32

約数和(自身を含む): 2104268544

約数和(自身を除く): 546958439

約数列:

[1, 5, 13, 23, 65, 115, 299, 797, 1307, 1495, 3985, 6535, 10361, 16991, 18331, 30061, 51805, 84955, 91655, 150305, 238303, 390793, 1041679, 1191515, 1953965, 5208395, 13541827, 23958617, 67709135, 119793085, 311462021, 1557310105]

約数ペア:

[(1, 1557310105), (5, 311462021), (13, 119793085), (23, 67709135), (65, 23958617), (115, 13541827), (299, 5208395), (797, 1953965), (1307, 1191515), (1495, 1041679), (3985, 390793), (6535, 238303), (10361, 150305), (16991, 91655), (18331, 84955), (30061, 51805)]