215769424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:468

約数の個数: 80

約数和(自身を含む): 470525440

約数和(自身を除く): 254756016

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 109, 124, 208, 218, 248, 307, 403, 436, 496, 614, 806, 872, 1228, 1417, 1612, 1744, 2456, 2834, 3224, 3379, 3991, 4912, 5668, 6448, 6758, 7982, 9517, 11336, 13516, 15964, 19034, 22672, 27032, 31928, 33463, 38068, 43927, 54064, 63856, 66926, 76136, 87854, 123721, 133852, 152272, 175708, 247442, 267704, 351416, 435019, 494884, 535408, 702832, 870038, 989768, 1037353, 1740076, 1979536, 2074706, 3480152, 4149412, 6960304, 8298824, 13485589, 16597648, 26971178, 53942356, 107884712, 215769424]

約数ペア:

[(1, 215769424), (2, 107884712), (4, 53942356), (8, 26971178), (13, 16597648), (16, 13485589), (26, 8298824), (31, 6960304), (52, 4149412), (62, 3480152), (104, 2074706), (109, 1979536), (124, 1740076), (208, 1037353), (218, 989768), (248, 870038), (307, 702832), (403, 535408), (436, 494884), (496, 435019), (614, 351416), (806, 267704), (872, 247442), (1228, 175708), (1417, 152272), (1612, 133852), (1744, 123721), (2456, 87854), (2834, 76136), (3224, 66926), (3379, 63856), (3991, 54064), (4912, 43927), (5668, 38068), (6448, 33463), (6758, 31928), (7982, 27032), (9517, 22672), (11336, 19034), (13516, 15964)]