81154172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{631}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 161387520

約数和(自身を除く): 80233348

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 79, 148, 158, 316, 407, 631, 814, 869, 1262, 1628, 1738, 2524, 2923, 3476, 5846, 6941, 11692, 13882, 23347, 27764, 32153, 46694, 49849, 64306, 93388, 99698, 128612, 199396, 256817, 513634, 548339, 1027268, 1096678, 1844413, 2193356, 3688826, 7377652, 20288543, 40577086, 81154172]

約数ペア:

[(1, 81154172), (2, 40577086), (4, 20288543), (11, 7377652), (22, 3688826), (37, 2193356), (44, 1844413), (74, 1096678), (79, 1027268), (148, 548339), (158, 513634), (316, 256817), (407, 199396), (631, 128612), (814, 99698), (869, 93388), (1262, 64306), (1628, 49849), (1738, 46694), (2524, 32153), (2923, 27764), (3476, 23347), (5846, 13882), (6941, 11692)]