28373814

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:343

約数の個数: 80

約数和(自身を含む): 73598976

約数和(自身を除く): 45225162

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 131, 162, 189, 191, 262, 378, 382, 393, 567, 573, 786, 917, 1134, 1146, 1179, 1337, 1719, 1834, 2358, 2674, 2751, 3438, 3537, 4011, 5157, 5502, 7074, 8022, 8253, 10314, 10611, 12033, 15471, 16506, 21222, 24066, 24759, 25021, 30942, 36099, 49518, 50042, 72198, 74277, 75063, 108297, 148554, 150126, 175147, 216594, 225189, 350294, 450378, 525441, 675567, 1050882, 1351134, 1576323, 2026701, 3152646, 4053402, 4728969, 9457938, 14186907, 28373814]

約数ペア:

[(1, 28373814), (2, 14186907), (3, 9457938), (6, 4728969), (7, 4053402), (9, 3152646), (14, 2026701), (18, 1576323), (21, 1351134), (27, 1050882), (42, 675567), (54, 525441), (63, 450378), (81, 350294), (126, 225189), (131, 216594), (162, 175147), (189, 150126), (191, 148554), (262, 108297), (378, 75063), (382, 74277), (393, 72198), (567, 50042), (573, 49518), (786, 36099), (917, 30942), (1134, 25021), (1146, 24759), (1179, 24066), (1337, 21222), (1719, 16506), (1834, 15471), (2358, 12033), (2674, 10611), (2751, 10314), (3438, 8253), (3537, 8022), (4011, 7074), (5157, 5502)]