217414904

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 128

約数和(自身を含む): 522547200

約数和(自身を除く): 305132296

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 31, 34, 53, 56, 62, 68, 106, 119, 124, 136, 139, 212, 217, 238, 248, 278, 371, 424, 434, 476, 527, 556, 742, 868, 901, 952, 973, 1054, 1112, 1484, 1643, 1736, 1802, 1946, 2108, 2363, 2968, 3286, 3604, 3689, 3892, 4216, 4309, 4726, 6307, 6572, 7208, 7367, 7378, 7784, 8618, 9452, 11501, 12614, 13144, 14734, 14756, 16541, 17236, 18904, 23002, 25228, 27931, 29468, 29512, 30163, 33082, 34472, 46004, 50456, 51569, 55862, 58936, 60326, 66164, 73253, 92008, 103138, 111724, 120652, 125239, 132328, 146506, 195517, 206276, 223448, 228377, 241304, 250478, 293012, 391034, 412552, 456754, 500956, 512771, 586024, 782068, 876673, 913508, 1001912, 1025542, 1564136, 1598639, 1753346, 1827016, 2051084, 3197278, 3506692, 3882409, 4102168, 6394556, 7013384, 7764818, 12789112, 15529636, 27176863, 31059272, 54353726, 108707452, 217414904]

約数ペア:

[(1, 217414904), (2, 108707452), (4, 54353726), (7, 31059272), (8, 27176863), (14, 15529636), (17, 12789112), (28, 7764818), (31, 7013384), (34, 6394556), (53, 4102168), (56, 3882409), (62, 3506692), (68, 3197278), (106, 2051084), (119, 1827016), (124, 1753346), (136, 1598639), (139, 1564136), (212, 1025542), (217, 1001912), (238, 913508), (248, 876673), (278, 782068), (371, 586024), (424, 512771), (434, 500956), (476, 456754), (527, 412552), (556, 391034), (742, 293012), (868, 250478), (901, 241304), (952, 228377), (973, 223448), (1054, 206276), (1112, 195517), (1484, 146506), (1643, 132328), (1736, 125239), (1802, 120652), (1946, 111724), (2108, 103138), (2363, 92008), (2968, 73253), (3286, 66164), (3604, 60326), (3689, 58936), (3892, 55862), (4216, 51569), (4309, 50456), (4726, 46004), (6307, 34472), (6572, 33082), (7208, 30163), (7367, 29512), (7378, 29468), (7784, 27931), (8618, 25228), (9452, 23002), (11501, 18904), (12614, 17236), (13144, 16541), (14734, 14756)]