81301844

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{947}}^1$

素因数の和:1104

約数の個数: 36

約数和(自身を含む): 155441664

約数和(自身を除く): 74139820

約数列:

[1, 2, 4, 13, 26, 52, 127, 169, 254, 338, 508, 676, 947, 1651, 1894, 3302, 3788, 6604, 12311, 21463, 24622, 42926, 49244, 85852, 120269, 160043, 240538, 320086, 481076, 640172, 1563497, 3126994, 6253988, 20325461, 40650922, 81301844]

約数ペア:

[(1, 81301844), (2, 40650922), (4, 20325461), (13, 6253988), (26, 3126994), (52, 1563497), (127, 640172), (169, 481076), (254, 320086), (338, 240538), (508, 160043), (676, 120269), (947, 85852), (1651, 49244), (1894, 42926), (3302, 24622), (3788, 21463), (6604, 12311)]