16987984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:164

約数の個数: 80

約数和(自身を含む): 38247552

約数和(自身を除く): 21259568

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 53, 67, 92, 104, 106, 134, 184, 208, 212, 268, 299, 368, 424, 536, 598, 689, 848, 871, 1072, 1196, 1219, 1378, 1541, 1742, 2392, 2438, 2756, 3082, 3484, 3551, 4784, 4876, 5512, 6164, 6968, 7102, 9752, 11024, 12328, 13936, 14204, 15847, 19504, 20033, 24656, 28408, 31694, 40066, 46163, 56816, 63388, 80132, 81673, 92326, 126776, 160264, 163346, 184652, 253552, 320528, 326692, 369304, 653384, 738608, 1061749, 1306768, 2123498, 4246996, 8493992, 16987984]

約数ペア:

[(1, 16987984), (2, 8493992), (4, 4246996), (8, 2123498), (13, 1306768), (16, 1061749), (23, 738608), (26, 653384), (46, 369304), (52, 326692), (53, 320528), (67, 253552), (92, 184652), (104, 163346), (106, 160264), (134, 126776), (184, 92326), (208, 81673), (212, 80132), (268, 63388), (299, 56816), (368, 46163), (424, 40066), (536, 31694), (598, 28408), (689, 24656), (848, 20033), (871, 19504), (1072, 15847), (1196, 14204), (1219, 13936), (1378, 12328), (1541, 11024), (1742, 9752), (2392, 7102), (2438, 6968), (2756, 6164), (3082, 5512), (3484, 4876), (3551, 4784)]