81132456

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{109049}}^1$

素因数の和:109089

約数の個数: 32

約数和(自身を含む): 209376000

約数和(自身を除く): 128243544

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 744, 109049, 218098, 327147, 436196, 654294, 872392, 1308588, 2617176, 3380519, 6761038, 10141557, 13522076, 20283114, 27044152, 40566228, 81132456]

約数ペア:

[(1, 81132456), (2, 40566228), (3, 27044152), (4, 20283114), (6, 13522076), (8, 10141557), (12, 6761038), (24, 3380519), (31, 2617176), (62, 1308588), (93, 872392), (124, 654294), (186, 436196), (248, 327147), (372, 218098), (744, 109049)]