81164208

素因数分解:

$2^4\times 3^1\times {\mathrm{107}}^1\times {\mathrm{15803}}^1$

素因数の和:15921

約数の個数: 40

約数和(自身を含む): 211647168

約数和(自身を除く): 130482960

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 107, 214, 321, 428, 642, 856, 1284, 1712, 2568, 5136, 15803, 31606, 47409, 63212, 94818, 126424, 189636, 252848, 379272, 758544, 1690921, 3381842, 5072763, 6763684, 10145526, 13527368, 20291052, 27054736, 40582104, 81164208]

約数ペア:

[(1, 81164208), (2, 40582104), (3, 27054736), (4, 20291052), (6, 13527368), (8, 10145526), (12, 6763684), (16, 5072763), (24, 3381842), (48, 1690921), (107, 758544), (214, 379272), (321, 252848), (428, 189636), (642, 126424), (856, 94818), (1284, 63212), (1712, 47409), (2568, 31606), (5136, 15803)]