215681695

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{293}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 279925632

約数和(自身を除く): 64243937

約数列:

[1, 5, 23, 37, 115, 173, 185, 293, 851, 865, 1465, 3979, 4255, 6401, 6739, 10841, 19895, 32005, 33695, 50689, 54205, 147223, 249343, 253445, 736115, 1165847, 1246715, 1875493, 5829235, 9377465, 43136339, 215681695]

約数ペア:

[(1, 215681695), (5, 43136339), (23, 9377465), (37, 5829235), (115, 1875493), (173, 1246715), (185, 1165847), (293, 736115), (851, 253445), (865, 249343), (1465, 147223), (3979, 54205), (4255, 50689), (6401, 33695), (6739, 32005), (10841, 19895)]