81919266

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{311}}^1$

素因数の和:647

約数の個数: 64

約数和(自身を含む): 193729536

約数和(自身を除く): 111810270

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 307, 311, 429, 614, 622, 858, 921, 933, 1842, 1866, 3377, 3421, 3991, 4043, 6754, 6842, 7982, 8086, 10131, 10263, 11973, 12129, 20262, 20526, 23946, 24258, 43901, 44473, 87802, 88946, 95477, 131703, 133419, 190954, 263406, 266838, 286431, 572862, 1050247, 1241201, 2100494, 2482402, 3150741, 3723603, 6301482, 7447206, 13653211, 27306422, 40959633, 81919266]

約数ペア:

[(1, 81919266), (2, 40959633), (3, 27306422), (6, 13653211), (11, 7447206), (13, 6301482), (22, 3723603), (26, 3150741), (33, 2482402), (39, 2100494), (66, 1241201), (78, 1050247), (143, 572862), (286, 286431), (307, 266838), (311, 263406), (429, 190954), (614, 133419), (622, 131703), (858, 95477), (921, 88946), (933, 87802), (1842, 44473), (1866, 43901), (3377, 24258), (3421, 23946), (3991, 20526), (4043, 20262), (6754, 12129), (6842, 11973), (7982, 10263), (8086, 10131)]