1720347811

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{233}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 2209413024

約数和(自身を除く): 489065213

約数列:

[1, 7, 13, 49, 67, 91, 173, 233, 469, 637, 871, 1211, 1631, 2249, 3029, 3283, 6097, 8477, 11417, 11591, 15611, 15743, 21203, 40309, 42679, 81137, 109277, 110201, 148421, 150683, 202943, 282163, 524017, 567959, 764939, 1054781, 1420601, 1975141, 2700703, 3668119, 7383467, 9944207, 18904921, 25676833, 35109139, 132334447, 245763973, 1720347811]

約数ペア:

[(1, 1720347811), (7, 245763973), (13, 132334447), (49, 35109139), (67, 25676833), (91, 18904921), (173, 9944207), (233, 7383467), (469, 3668119), (637, 2700703), (871, 1975141), (1211, 1420601), (1631, 1054781), (2249, 764939), (3029, 567959), (3283, 524017), (6097, 282163), (8477, 202943), (11417, 150683), (11591, 148421), (15611, 110201), (15743, 109277), (21203, 81137), (40309, 42679)]