211985956

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{307}}^1$

素因数の和:609

約数の個数: 72

約数和(自身を含む): 467972736

約数和(自身を除く): 255986780

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 271, 307, 364, 542, 614, 637, 1084, 1228, 1274, 1897, 2149, 2548, 3523, 3794, 3991, 4298, 7046, 7588, 7982, 8596, 13279, 14092, 15043, 15964, 24661, 26558, 27937, 30086, 49322, 53116, 55874, 60172, 83197, 98644, 111748, 166394, 172627, 195559, 332788, 345254, 391118, 582379, 690508, 782236, 1081561, 1164758, 2163122, 2329516, 4076653, 4326244, 7570927, 8153306, 15141854, 16306612, 30283708, 52996489, 105992978, 211985956]

約数ペア:

[(1, 211985956), (2, 105992978), (4, 52996489), (7, 30283708), (13, 16306612), (14, 15141854), (26, 8153306), (28, 7570927), (49, 4326244), (52, 4076653), (91, 2329516), (98, 2163122), (182, 1164758), (196, 1081561), (271, 782236), (307, 690508), (364, 582379), (542, 391118), (614, 345254), (637, 332788), (1084, 195559), (1228, 172627), (1274, 166394), (1897, 111748), (2149, 98644), (2548, 83197), (3523, 60172), (3794, 55874), (3991, 53116), (4298, 49322), (7046, 30086), (7588, 27937), (7982, 26558), (8596, 24661), (13279, 15964), (14092, 15043)]