81170012

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1249}}^1$

素因数の和:1482

約数の個数: 48

約数和(自身を含む): 178080000

約数和(自身を除く): 96909988

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 211, 308, 422, 844, 1249, 1477, 2321, 2498, 2954, 4642, 4996, 5908, 8743, 9284, 13739, 16247, 17486, 27478, 32494, 34972, 54956, 64988, 96173, 192346, 263539, 384692, 527078, 1054156, 1844773, 2898929, 3689546, 5797858, 7379092, 11595716, 20292503, 40585006, 81170012]

約数ペア:

[(1, 81170012), (2, 40585006), (4, 20292503), (7, 11595716), (11, 7379092), (14, 5797858), (22, 3689546), (28, 2898929), (44, 1844773), (77, 1054156), (154, 527078), (211, 384692), (308, 263539), (422, 192346), (844, 96173), (1249, 64988), (1477, 54956), (2321, 34972), (2498, 32494), (2954, 27478), (4642, 17486), (4996, 16247), (5908, 13739), (8743, 9284)]