172072816

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{31}}^3$

素因数の和:139

約数の個数: 60

約数和(自身を含む): 363589824

約数和(自身を除く): 191517008

約数列:

[1, 2, 4, 8, 16, 19, 31, 38, 62, 76, 124, 152, 248, 304, 361, 496, 589, 722, 961, 1178, 1444, 1922, 2356, 2888, 3844, 4712, 5776, 7688, 9424, 11191, 15376, 18259, 22382, 29791, 36518, 44764, 59582, 73036, 89528, 119164, 146072, 179056, 238328, 292144, 346921, 476656, 566029, 693842, 1132058, 1387684, 2264116, 2775368, 4528232, 5550736, 9056464, 10754551, 21509102, 43018204, 86036408, 172072816]

約数ペア:

[(1, 172072816), (2, 86036408), (4, 43018204), (8, 21509102), (16, 10754551), (19, 9056464), (31, 5550736), (38, 4528232), (62, 2775368), (76, 2264116), (124, 1387684), (152, 1132058), (248, 693842), (304, 566029), (361, 476656), (496, 346921), (589, 292144), (722, 238328), (961, 179056), (1178, 146072), (1444, 119164), (1922, 89528), (2356, 73036), (2888, 59582), (3844, 44764), (4712, 36518), (5776, 29791), (7688, 22382), (9424, 18259), (11191, 15376)]