72821254

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{653}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 123464736

約数和(自身を除く): 50643482

約数列:

[1, 2, 11, 22, 37, 74, 137, 274, 407, 653, 814, 1306, 1507, 3014, 5069, 7183, 10138, 14366, 24161, 48322, 55759, 89461, 111518, 178922, 265771, 531542, 984071, 1968142, 3310057, 6620114, 36410627, 72821254]

約数ペア:

[(1, 72821254), (2, 36410627), (11, 6620114), (22, 3310057), (37, 1968142), (74, 984071), (137, 531542), (274, 265771), (407, 178922), (653, 111518), (814, 89461), (1306, 55759), (1507, 48322), (3014, 24161), (5069, 14366), (7183, 10138)]