353299219

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 487710720

約数和(自身を除く): 134411501

約数列:

[1, 7, 13, 17, 31, 53, 91, 119, 139, 217, 221, 371, 403, 527, 689, 901, 973, 1547, 1643, 1807, 2363, 2821, 3689, 4309, 4823, 6307, 6851, 7367, 11501, 11713, 12649, 16541, 21359, 27931, 30163, 30719, 47957, 51569, 56017, 73253, 81991, 95771, 125239, 149513, 195517, 215033, 228377, 363103, 392119, 512771, 670397, 876673, 952289, 1598639, 1628107, 2541721, 2968901, 3882409, 6666023, 11396749, 20782307, 27176863, 50471317, 353299219]

約数ペア:

[(1, 353299219), (7, 50471317), (13, 27176863), (17, 20782307), (31, 11396749), (53, 6666023), (91, 3882409), (119, 2968901), (139, 2541721), (217, 1628107), (221, 1598639), (371, 952289), (403, 876673), (527, 670397), (689, 512771), (901, 392119), (973, 363103), (1547, 228377), (1643, 215033), (1807, 195517), (2363, 149513), (2821, 125239), (3689, 95771), (4309, 81991), (4823, 73253), (6307, 56017), (6851, 51569), (7367, 47957), (11501, 30719), (11713, 30163), (12649, 27931), (16541, 21359)]