16991408

素因数分解:

$2^4\times 7^1\times {\mathrm{211}}^1\times {\mathrm{719}}^1$

素因数の和:945

約数の個数: 40

約数和(自身を含む): 37854720

約数和(自身を除く): 20863312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 211, 422, 719, 844, 1438, 1477, 1688, 2876, 2954, 3376, 5033, 5752, 5908, 10066, 11504, 11816, 20132, 23632, 40264, 80528, 151709, 303418, 606836, 1061963, 1213672, 2123926, 2427344, 4247852, 8495704, 16991408]

約数ペア:

[(1, 16991408), (2, 8495704), (4, 4247852), (7, 2427344), (8, 2123926), (14, 1213672), (16, 1061963), (28, 606836), (56, 303418), (112, 151709), (211, 80528), (422, 40264), (719, 23632), (844, 20132), (1438, 11816), (1477, 11504), (1688, 10066), (2876, 5908), (2954, 5752), (3376, 5033)]