781004055

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{5479}}^1$

素因数の和:5560

約数の個数: 64

約数和(自身を含む): 1458293760

約数和(自身を除く): 677289705

約数列:

[1, 3, 5, 13, 15, 17, 39, 43, 51, 65, 85, 129, 195, 215, 221, 255, 559, 645, 663, 731, 1105, 1677, 2193, 2795, 3315, 3655, 5479, 8385, 9503, 10965, 16437, 27395, 28509, 47515, 71227, 82185, 93143, 142545, 213681, 235597, 279429, 356135, 465715, 706791, 1068405, 1177985, 1210859, 1397145, 3062761, 3533955, 3632577, 4005149, 6054295, 9188283, 12015447, 15313805, 18162885, 20025745, 45941415, 52066937, 60077235, 156200811, 260334685, 781004055]

約数ペア:

[(1, 781004055), (3, 260334685), (5, 156200811), (13, 60077235), (15, 52066937), (17, 45941415), (39, 20025745), (43, 18162885), (51, 15313805), (65, 12015447), (85, 9188283), (129, 6054295), (195, 4005149), (215, 3632577), (221, 3533955), (255, 3062761), (559, 1397145), (645, 1210859), (663, 1177985), (731, 1068405), (1105, 706791), (1677, 465715), (2193, 356135), (2795, 279429), (3315, 235597), (3655, 213681), (5479, 142545), (8385, 93143), (9503, 82185), (10965, 71227), (16437, 47515), (27395, 28509)]