217231248

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:537

約数の個数: 120

約数和(自身を含む): 619037760

約数和(自身を除く): 401806512

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 61, 78, 104, 122, 156, 169, 183, 208, 244, 312, 338, 366, 439, 488, 507, 624, 676, 732, 793, 878, 976, 1014, 1317, 1352, 1464, 1586, 1756, 2028, 2379, 2634, 2704, 2928, 3172, 3512, 4056, 4758, 5268, 5707, 6344, 7024, 8112, 9516, 10309, 10536, 11414, 12688, 17121, 19032, 20618, 21072, 22828, 26779, 30927, 34242, 38064, 41236, 45656, 53558, 61854, 68484, 74191, 80337, 82472, 91312, 107116, 123708, 136968, 148382, 160674, 164944, 214232, 222573, 247416, 273936, 296764, 321348, 348127, 428464, 445146, 494832, 593528, 642696, 696254, 890292, 1044381, 1187056, 1285392, 1392508, 1780584, 2088762, 2785016, 3561168, 4177524, 4525651, 5570032, 8355048, 9051302, 13576953, 16710096, 18102604, 27153906, 36205208, 54307812, 72410416, 108615624, 217231248]

約数ペア:

[(1, 217231248), (2, 108615624), (3, 72410416), (4, 54307812), (6, 36205208), (8, 27153906), (12, 18102604), (13, 16710096), (16, 13576953), (24, 9051302), (26, 8355048), (39, 5570032), (48, 4525651), (52, 4177524), (61, 3561168), (78, 2785016), (104, 2088762), (122, 1780584), (156, 1392508), (169, 1285392), (183, 1187056), (208, 1044381), (244, 890292), (312, 696254), (338, 642696), (366, 593528), (439, 494832), (488, 445146), (507, 428464), (624, 348127), (676, 321348), (732, 296764), (793, 273936), (878, 247416), (976, 222573), (1014, 214232), (1317, 164944), (1352, 160674), (1464, 148382), (1586, 136968), (1756, 123708), (2028, 107116), (2379, 91312), (2634, 82472), (2704, 80337), (2928, 74191), (3172, 68484), (3512, 61854), (4056, 53558), (4758, 45656), (5268, 41236), (5707, 38064), (6344, 34242), (7024, 30927), (8112, 26779), (9516, 22828), (10309, 21072), (10536, 20618), (11414, 19032), (12688, 17121)]