81152876

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{1481}}^1$

素因数の和:1614

約数の個数: 48

約数和(自身を含む): 172623360

約数和(自身を除く): 91470484

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 103, 133, 206, 266, 412, 532, 721, 1442, 1481, 1957, 2884, 2962, 3914, 5924, 7828, 10367, 13699, 20734, 27398, 28139, 41468, 54796, 56278, 112556, 152543, 196973, 305086, 393946, 610172, 787892, 1067801, 2135602, 2898317, 4271204, 5796634, 11593268, 20288219, 40576438, 81152876]

約数ペア:

[(1, 81152876), (2, 40576438), (4, 20288219), (7, 11593268), (14, 5796634), (19, 4271204), (28, 2898317), (38, 2135602), (76, 1067801), (103, 787892), (133, 610172), (206, 393946), (266, 305086), (412, 196973), (532, 152543), (721, 112556), (1442, 56278), (1481, 54796), (1957, 41468), (2884, 28139), (2962, 27398), (3914, 20734), (5924, 13699), (7828, 10367)]