128515878

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{1289}}^1$

素因数の和:1517

約数の個数: 48

約数和(自身を含む): 289785600

約数和(自身を除く): 161269722

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 191, 261, 382, 522, 573, 1146, 1289, 1719, 2578, 3438, 3867, 5539, 7734, 11078, 11601, 16617, 23202, 33234, 37381, 49851, 74762, 99702, 112143, 224286, 246199, 336429, 492398, 672858, 738597, 1477194, 2215791, 4431582, 7139771, 14279542, 21419313, 42838626, 64257939, 128515878]

約数ペア:

[(1, 128515878), (2, 64257939), (3, 42838626), (6, 21419313), (9, 14279542), (18, 7139771), (29, 4431582), (58, 2215791), (87, 1477194), (174, 738597), (191, 672858), (261, 492398), (382, 336429), (522, 246199), (573, 224286), (1146, 112143), (1289, 99702), (1719, 74762), (2578, 49851), (3438, 37381), (3867, 33234), (5539, 23202), (7734, 16617), (11078, 11601)]