9989538

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1439}}^1$

素因数の和:1546

約数の個数: 32

約数和(自身を含む): 21772800

約数和(自身を除く): 11783262

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 89, 178, 267, 534, 1157, 1439, 2314, 2878, 3471, 4317, 6942, 8634, 18707, 37414, 56121, 112242, 128071, 256142, 384213, 768426, 1664923, 3329846, 4994769, 9989538]

約数ペア:

[(1, 9989538), (2, 4994769), (3, 3329846), (6, 1664923), (13, 768426), (26, 384213), (39, 256142), (78, 128071), (89, 112242), (178, 56121), (267, 37414), (534, 18707), (1157, 8634), (1439, 6942), (2314, 4317), (2878, 3471)]