81582886

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{743}}^1$

素因数の和:817

約数の個数: 64

約数和(自身を含む): 164560896

約数和(自身を除く): 82978010

約数列:

[1, 2, 7, 11, 14, 22, 23, 31, 46, 62, 77, 154, 161, 217, 253, 322, 341, 434, 506, 682, 713, 743, 1426, 1486, 1771, 2387, 3542, 4774, 4991, 5201, 7843, 8173, 9982, 10402, 15686, 16346, 17089, 23033, 34178, 46066, 54901, 57211, 109802, 114422, 119623, 161231, 187979, 239246, 253363, 322462, 375958, 506726, 529759, 1059518, 1315853, 1773541, 2631706, 3547082, 3708313, 5827349, 7416626, 11654698, 40791443, 81582886]

約数ペア:

[(1, 81582886), (2, 40791443), (7, 11654698), (11, 7416626), (14, 5827349), (22, 3708313), (23, 3547082), (31, 2631706), (46, 1773541), (62, 1315853), (77, 1059518), (154, 529759), (161, 506726), (217, 375958), (253, 322462), (322, 253363), (341, 239246), (434, 187979), (506, 161231), (682, 119623), (713, 114422), (743, 109802), (1426, 57211), (1486, 54901), (1771, 46066), (2387, 34178), (3542, 23033), (4774, 17089), (4991, 16346), (5201, 15686), (7843, 10402), (8173, 9982)]