405260128

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139169}}^1$

素因数の和:139199

約数の個数: 48

約数和(自身を含む): 981983520

約数和(自身を除く): 576723392

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 139169, 278338, 556676, 974183, 1113352, 1809197, 1948366, 2226704, 3618394, 3896732, 4453408, 7236788, 7793464, 12664379, 14473576, 15586928, 25328758, 28947152, 31173856, 50657516, 57894304, 101315032, 202630064, 405260128]

約数ペア:

[(1, 405260128), (2, 202630064), (4, 101315032), (7, 57894304), (8, 50657516), (13, 31173856), (14, 28947152), (16, 25328758), (26, 15586928), (28, 14473576), (32, 12664379), (52, 7793464), (56, 7236788), (91, 4453408), (104, 3896732), (112, 3618394), (182, 2226704), (208, 1948366), (224, 1809197), (364, 1113352), (416, 974183), (728, 556676), (1456, 278338), (2912, 139169)]