1973807168255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{388231}}^1$

素因数の和:388416

約数の個数: 64

約数和(自身を含む): 2789456237568

約数和(自身を除く): 815649069313

約数列:

[1, 5, 13, 17, 43, 65, 85, 107, 215, 221, 535, 559, 731, 1105, 1391, 1819, 2795, 3655, 4601, 6955, 9095, 9503, 23005, 23647, 47515, 59813, 78217, 118235, 299065, 388231, 391085, 1016821, 1941155, 5047003, 5084105, 6599927, 16693933, 25235015, 32999635, 41540717, 83469665, 85799051, 207703585, 217021129, 283796861, 428995255, 540029321, 706192189, 1085105645, 1418984305, 1786250831, 2700146605, 3530960945, 3689359193, 8931254155, 9180498457, 18446795965, 23221260803, 30366264127, 45902492285, 116106304015, 151831320635, 394761433651, 1973807168255]

約数ペア:

[(1, 1973807168255), (5, 394761433651), (13, 151831320635), (17, 116106304015), (43, 45902492285), (65, 30366264127), (85, 23221260803), (107, 18446795965), (215, 9180498457), (221, 8931254155), (535, 3689359193), (559, 3530960945), (731, 2700146605), (1105, 1786250831), (1391, 1418984305), (1819, 1085105645), (2795, 706192189), (3655, 540029321), (4601, 428995255), (6955, 283796861), (9095, 217021129), (9503, 207703585), (23005, 85799051), (23647, 83469665), (47515, 41540717), (59813, 32999635), (78217, 25235015), (118235, 16693933), (299065, 6599927), (388231, 5084105), (391085, 5047003), (1016821, 1941155)]