16831892

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 38572128

約数和(自身を除く): 21740236

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 49, 74, 77, 98, 148, 154, 196, 211, 259, 308, 407, 422, 518, 539, 814, 844, 1036, 1078, 1477, 1628, 1813, 2156, 2321, 2849, 2954, 3626, 4642, 5698, 5908, 7252, 7807, 9284, 10339, 11396, 15614, 16247, 19943, 20678, 31228, 32494, 39886, 41356, 54649, 64988, 79772, 85877, 109298, 113729, 171754, 218596, 227458, 343508, 382543, 454916, 601139, 765086, 1202278, 1530172, 2404556, 4207973, 8415946, 16831892]

約数ペア:

[(1, 16831892), (2, 8415946), (4, 4207973), (7, 2404556), (11, 1530172), (14, 1202278), (22, 765086), (28, 601139), (37, 454916), (44, 382543), (49, 343508), (74, 227458), (77, 218596), (98, 171754), (148, 113729), (154, 109298), (196, 85877), (211, 79772), (259, 64988), (308, 54649), (407, 41356), (422, 39886), (518, 32494), (539, 31228), (814, 20678), (844, 19943), (1036, 16247), (1078, 15614), (1477, 11396), (1628, 10339), (1813, 9284), (2156, 7807), (2321, 7252), (2849, 5908), (2954, 5698), (3626, 4642)]