1640809976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1627}}^1\times {\mathrm{9697}}^1$

素因数の和:11343

約数の個数: 32

約数和(自身を含む): 3315552240

約数和(自身を除く): 1674742264

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1627, 3254, 6508, 9697, 13016, 19394, 21151, 38788, 42302, 77576, 84604, 126061, 169208, 252122, 504244, 1008488, 15777019, 31554038, 63108076, 126216152, 205101247, 410202494, 820404988, 1640809976]

約数ペア:

[(1, 1640809976), (2, 820404988), (4, 410202494), (8, 205101247), (13, 126216152), (26, 63108076), (52, 31554038), (104, 15777019), (1627, 1008488), (3254, 504244), (6508, 252122), (9697, 169208), (13016, 126061), (19394, 84604), (21151, 77576), (38788, 42302)]