65221254

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{157}}^2$

素因数の和:339

約数の個数: 72

約数和(自身を含む): 169679880

約数和(自身を除く): 104458626

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 157, 189, 294, 314, 378, 441, 471, 882, 942, 1099, 1323, 1413, 2198, 2646, 2826, 3297, 4239, 6594, 7693, 8478, 9891, 15386, 19782, 23079, 24649, 29673, 46158, 49298, 59346, 69237, 73947, 138474, 147894, 172543, 207711, 221841, 345086, 415422, 443682, 517629, 665523, 1035258, 1207801, 1331046, 1552887, 2415602, 3105774, 3623403, 4658661, 7246806, 9317322, 10870209, 21740418, 32610627, 65221254]

約数ペア:

[(1, 65221254), (2, 32610627), (3, 21740418), (6, 10870209), (7, 9317322), (9, 7246806), (14, 4658661), (18, 3623403), (21, 3105774), (27, 2415602), (42, 1552887), (49, 1331046), (54, 1207801), (63, 1035258), (98, 665523), (126, 517629), (147, 443682), (157, 415422), (189, 345086), (294, 221841), (314, 207711), (378, 172543), (441, 147894), (471, 138474), (882, 73947), (942, 69237), (1099, 59346), (1323, 49298), (1413, 46158), (2198, 29673), (2646, 24649), (2826, 23079), (3297, 19782), (4239, 15386), (6594, 9891), (7693, 8478)]