81179644

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{2687}}^1$

素因数の和:2794

約数の個数: 48

約数和(自身を含む): 177020928

約数和(自身を除く): 95841284

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 83, 91, 166, 182, 332, 364, 581, 1079, 1162, 2158, 2324, 2687, 4316, 5374, 7553, 10748, 15106, 18809, 30212, 34931, 37618, 69862, 75236, 139724, 223021, 244517, 446042, 489034, 892084, 978068, 1561147, 2899273, 3122294, 5798546, 6244588, 11597092, 20294911, 40589822, 81179644]

約数ペア:

[(1, 81179644), (2, 40589822), (4, 20294911), (7, 11597092), (13, 6244588), (14, 5798546), (26, 3122294), (28, 2899273), (52, 1561147), (83, 978068), (91, 892084), (166, 489034), (182, 446042), (332, 244517), (364, 223021), (581, 139724), (1079, 75236), (1162, 69862), (2158, 37618), (2324, 34931), (2687, 30212), (4316, 18809), (5374, 15106), (7553, 10748)]