128585456

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{4423}}^1$

素因数の和:4533

約数の個数: 40

約数和(自身を含む): 263316480

約数和(自身を除く): 134731024

約数列:

[1, 2, 4, 8, 16, 23, 46, 79, 92, 158, 184, 316, 368, 632, 1264, 1817, 3634, 4423, 7268, 8846, 14536, 17692, 29072, 35384, 70768, 101729, 203458, 349417, 406916, 698834, 813832, 1397668, 1627664, 2795336, 5590672, 8036591, 16073182, 32146364, 64292728, 128585456]

約数ペア:

[(1, 128585456), (2, 64292728), (4, 32146364), (8, 16073182), (16, 8036591), (23, 5590672), (46, 2795336), (79, 1627664), (92, 1397668), (158, 813832), (184, 698834), (316, 406916), (368, 349417), (632, 203458), (1264, 101729), (1817, 70768), (3634, 35384), (4423, 29072), (7268, 17692), (8846, 14536)]