156720260905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2887}}^1\times {\mathrm{13691}}^1$

素因数の和:16657

約数の個数: 32

約数和(自身を含む): 205937319168

約数和(自身を除く): 49217058263

約数列:

[1, 5, 13, 61, 65, 305, 793, 2887, 3965, 13691, 14435, 37531, 68455, 176107, 177983, 187655, 835151, 880535, 889915, 2289391, 4175755, 10856963, 11446955, 39525917, 54284815, 197629585, 513836921, 2411080937, 2569184605, 12055404685, 31344052181, 156720260905]

約数ペア:

[(1, 156720260905), (5, 31344052181), (13, 12055404685), (61, 2569184605), (65, 2411080937), (305, 513836921), (793, 197629585), (2887, 54284815), (3965, 39525917), (13691, 11446955), (14435, 10856963), (37531, 4175755), (68455, 2289391), (176107, 889915), (177983, 880535), (187655, 835151)]