258501496576

素因数分解:

$2^8\times {\mathrm{163}}^1\times {\mathrm{1553}}^1\times {\mathrm{3989}}^1$

素因数の和:5721

約数の個数: 72

約数和(自身を含む): 519623349840

約数和(自身を除く): 261121853264

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 163, 256, 326, 652, 1304, 1553, 2608, 3106, 3989, 5216, 6212, 7978, 10432, 12424, 15956, 20864, 24848, 31912, 41728, 49696, 63824, 99392, 127648, 198784, 253139, 255296, 397568, 506278, 510592, 650207, 1012556, 1021184, 1300414, 2025112, 2600828, 4050224, 5201656, 6194917, 8100448, 10403312, 12389834, 16200896, 20806624, 24779668, 32401792, 41613248, 49559336, 64803584, 83226496, 99118672, 166452992, 198237344, 396474688, 792949376, 1009771471, 1585898752, 2019542942, 4039085884, 8078171768, 16156343536, 32312687072, 64625374144, 129250748288, 258501496576]

約数ペア:

[(1, 258501496576), (2, 129250748288), (4, 64625374144), (8, 32312687072), (16, 16156343536), (32, 8078171768), (64, 4039085884), (128, 2019542942), (163, 1585898752), (256, 1009771471), (326, 792949376), (652, 396474688), (1304, 198237344), (1553, 166452992), (2608, 99118672), (3106, 83226496), (3989, 64803584), (5216, 49559336), (6212, 41613248), (7978, 32401792), (10432, 24779668), (12424, 20806624), (15956, 16200896), (20864, 12389834), (24848, 10403312), (31912, 8100448), (41728, 6194917), (49696, 5201656), (63824, 4050224), (99392, 2600828), (127648, 2025112), (198784, 1300414), (253139, 1021184), (255296, 1012556), (397568, 650207), (506278, 510592)]