2215564

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 4219488

約数和(自身を除く): 2003924

約数列:

[1, 2, 4, 13, 26, 52, 137, 274, 311, 548, 622, 1244, 1781, 3562, 4043, 7124, 8086, 16172, 42607, 85214, 170428, 553891, 1107782, 2215564]

約数ペア:

[(1, 2215564), (2, 1107782), (4, 553891), (13, 170428), (26, 85214), (52, 42607), (137, 16172), (274, 8086), (311, 7124), (548, 4043), (622, 3562), (1244, 1781)]