20161931075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{13789}}^1$

素因数の和:14232

約数の個数: 48

約数和(自身を含む): 29445511200

約数和(自身を除く): 9283580125

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 409, 715, 2045, 3575, 4499, 5317, 10225, 13789, 22495, 26585, 58487, 68945, 112475, 132925, 151679, 179257, 292435, 344725, 758395, 896285, 1462175, 1971827, 3791975, 4481425, 5639701, 9859135, 28198505, 49295675, 62036711, 73316113, 140992525, 310183555, 366580565, 806477243, 1550917775, 1832902825, 4032386215, 20161931075]

約数ペア:

[(1, 20161931075), (5, 4032386215), (11, 1832902825), (13, 1550917775), (25, 806477243), (55, 366580565), (65, 310183555), (143, 140992525), (275, 73316113), (325, 62036711), (409, 49295675), (715, 28198505), (2045, 9859135), (3575, 5639701), (4499, 4481425), (5317, 3791975), (10225, 1971827), (13789, 1462175), (22495, 896285), (26585, 758395), (58487, 344725), (68945, 292435), (112475, 179257), (132925, 151679)]