28967785

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1123}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 44024832

約数和(自身を除く): 15057047

約数列:

[1, 5, 7, 11, 35, 55, 67, 77, 335, 385, 469, 737, 1123, 2345, 3685, 5159, 5615, 7861, 12353, 25795, 39305, 61765, 75241, 86471, 376205, 432355, 526687, 827651, 2633435, 4138255, 5793557, 28967785]

約数ペア:

[(1, 28967785), (5, 5793557), (7, 4138255), (11, 2633435), (35, 827651), (55, 526687), (67, 432355), (77, 376205), (335, 86471), (385, 75241), (469, 61765), (737, 39305), (1123, 25795), (2345, 12353), (3685, 7861), (5159, 5615)]