219896144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{509}}^1$

素因数の和:628

約数の個数: 80

約数和(自身を含む): 481635840

約数和(自身を除く): 261739696

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 67, 104, 124, 134, 208, 248, 268, 403, 496, 509, 536, 806, 871, 1018, 1072, 1612, 1742, 2036, 2077, 3224, 3484, 4072, 4154, 6448, 6617, 6968, 8144, 8308, 13234, 13936, 15779, 16616, 26468, 27001, 31558, 33232, 34103, 52936, 54002, 63116, 68206, 105872, 108004, 126232, 136412, 205127, 216008, 252464, 272824, 410254, 432016, 443339, 545648, 820508, 886678, 1057193, 1641016, 1773356, 2114386, 3282032, 3546712, 4228772, 7093424, 8457544, 13743509, 16915088, 27487018, 54974036, 109948072, 219896144]

約数ペア:

[(1, 219896144), (2, 109948072), (4, 54974036), (8, 27487018), (13, 16915088), (16, 13743509), (26, 8457544), (31, 7093424), (52, 4228772), (62, 3546712), (67, 3282032), (104, 2114386), (124, 1773356), (134, 1641016), (208, 1057193), (248, 886678), (268, 820508), (403, 545648), (496, 443339), (509, 432016), (536, 410254), (806, 272824), (871, 252464), (1018, 216008), (1072, 205127), (1612, 136412), (1742, 126232), (2036, 108004), (2077, 105872), (3224, 68206), (3484, 63116), (4072, 54002), (4154, 52936), (6448, 34103), (6617, 33232), (6968, 31558), (8144, 27001), (8308, 26468), (13234, 16616), (13936, 15779)]