71258512

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:145

約数の個数: 90

約数和(自身を含む): 159944562

約数和(自身を除く): 88686050

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 73, 76, 104, 146, 152, 169, 208, 247, 292, 304, 338, 361, 494, 584, 676, 722, 949, 988, 1168, 1352, 1387, 1444, 1898, 1976, 2704, 2774, 2888, 3211, 3796, 3952, 4693, 5548, 5776, 6422, 7592, 9386, 11096, 12337, 12844, 15184, 18031, 18772, 22192, 24674, 25688, 26353, 36062, 37544, 49348, 51376, 52706, 61009, 72124, 75088, 98696, 105412, 122018, 144248, 197392, 210824, 234403, 244036, 288496, 342589, 421648, 468806, 488072, 685178, 937612, 976144, 1370356, 1875224, 2740712, 3750448, 4453657, 5481424, 8907314, 17814628, 35629256, 71258512]

約数ペア:

[(1, 71258512), (2, 35629256), (4, 17814628), (8, 8907314), (13, 5481424), (16, 4453657), (19, 3750448), (26, 2740712), (38, 1875224), (52, 1370356), (73, 976144), (76, 937612), (104, 685178), (146, 488072), (152, 468806), (169, 421648), (208, 342589), (247, 288496), (292, 244036), (304, 234403), (338, 210824), (361, 197392), (494, 144248), (584, 122018), (676, 105412), (722, 98696), (949, 75088), (988, 72124), (1168, 61009), (1352, 52706), (1387, 51376), (1444, 49348), (1898, 37544), (1976, 36062), (2704, 26353), (2774, 25688), (2888, 24674), (3211, 22192), (3796, 18772), (3952, 18031), (4693, 15184), (5548, 12844), (5776, 12337), (6422, 11096), (7592, 9386)]