81523052

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^2\times {\mathrm{311}}^1$

素因数の和:470

約数の個数: 36

約数和(自身を含む): 156335088

約数和(自身を除く): 74812036

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 311, 622, 923, 1244, 1846, 3692, 4043, 5041, 8086, 10082, 16172, 20164, 22081, 44162, 65533, 88324, 131066, 262132, 287053, 574106, 1148212, 1567751, 3135502, 6271004, 20380763, 40761526, 81523052]

約数ペア:

[(1, 81523052), (2, 40761526), (4, 20380763), (13, 6271004), (26, 3135502), (52, 1567751), (71, 1148212), (142, 574106), (284, 287053), (311, 262132), (622, 131066), (923, 88324), (1244, 65533), (1846, 44162), (3692, 22081), (4043, 20164), (5041, 16172), (8086, 10082)]