128226592

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16223}}^1$

素因数の和:16265

約数の個数: 48

約数和(自身を含む): 286191360

約数和(自身を除く): 157964768

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 3952, 7904, 16223, 32446, 64892, 129784, 210899, 259568, 308237, 421798, 519136, 616474, 843596, 1232948, 1687192, 2465896, 3374384, 4007081, 4931792, 6748768, 8014162, 9863584, 16028324, 32056648, 64113296, 128226592]

約数ペア:

[(1, 128226592), (2, 64113296), (4, 32056648), (8, 16028324), (13, 9863584), (16, 8014162), (19, 6748768), (26, 4931792), (32, 4007081), (38, 3374384), (52, 2465896), (76, 1687192), (104, 1232948), (152, 843596), (208, 616474), (247, 519136), (304, 421798), (416, 308237), (494, 259568), (608, 210899), (988, 129784), (1976, 64892), (3952, 32446), (7904, 16223)]