991869004

素因数分解:

$2^2\times 7^1\times {\mathrm{487}}^1\times {\mathrm{72739}}^1$

素因数の和:73237

約数の個数: 24

約数和(自身を含む): 1987838720

約数和(自身を除く): 995969716

約数列:

[1, 2, 4, 7, 14, 28, 487, 974, 1948, 3409, 6818, 13636, 72739, 145478, 290956, 509173, 1018346, 2036692, 35423893, 70847786, 141695572, 247967251, 495934502, 991869004]

約数ペア:

[(1, 991869004), (2, 495934502), (4, 247967251), (7, 141695572), (14, 70847786), (28, 35423893), (487, 2036692), (974, 1018346), (1948, 509173), (3409, 290956), (6818, 145478), (13636, 72739)]