217774465

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{12541}}^1$

素因数の和:12720

約数の個数: 16

約数和(自身を含む): 274519296

約数和(自身を除く): 56744831

約数列:

[1, 5, 23, 115, 151, 755, 3473, 12541, 17365, 62705, 288443, 1442215, 1893691, 9468455, 43554893, 217774465]

約数ペア:

[(1, 217774465), (5, 43554893), (23, 9468455), (115, 1893691), (151, 1442215), (755, 288443), (3473, 62705), (12541, 17365)]