509782364

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{20903}}^1$

素因数の和:20994

約数の個数: 48

約数和(自身を含む): 1114434048

約数和(自身を除く): 604651684

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 67, 91, 134, 182, 268, 364, 469, 871, 938, 1742, 1876, 3484, 6097, 12194, 20903, 24388, 41806, 83612, 146321, 271739, 292642, 543478, 585284, 1086956, 1400501, 1902173, 2801002, 3804346, 5602004, 7608692, 9803507, 18206513, 19607014, 36413026, 39214028, 72826052, 127445591, 254891182, 509782364]

約数ペア:

[(1, 509782364), (2, 254891182), (4, 127445591), (7, 72826052), (13, 39214028), (14, 36413026), (26, 19607014), (28, 18206513), (52, 9803507), (67, 7608692), (91, 5602004), (134, 3804346), (182, 2801002), (268, 1902173), (364, 1400501), (469, 1086956), (871, 585284), (938, 543478), (1742, 292642), (1876, 271739), (3484, 146321), (6097, 83612), (12194, 41806), (20903, 24388)]