1248156987

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:405

約数の個数: 96

約数和(自身を含む): 2230824960

約数和(自身を除く): 982667973

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 103, 121, 133, 209, 231, 251, 309, 363, 399, 627, 721, 753, 847, 1133, 1463, 1757, 1957, 2163, 2299, 2541, 2761, 3399, 4389, 4769, 5271, 5871, 6897, 7931, 8283, 12463, 13699, 14307, 16093, 19327, 21527, 23793, 25853, 30371, 33383, 37389, 41097, 48279, 52459, 57981, 64581, 77559, 87241, 91113, 100149, 150689, 157377, 180971, 212597, 236797, 261723, 284383, 367213, 452067, 491207, 542913, 577049, 637791, 710391, 853149, 1101639, 1473621, 1657579, 1731147, 1990681, 3128213, 3438449, 4039343, 4972737, 5403277, 5972043, 9384639, 10315347, 12118029, 16209831, 21897491, 37822939, 59436047, 65692473, 113468817, 178308141, 416052329, 1248156987]

約数ペア:

[(1, 1248156987), (3, 416052329), (7, 178308141), (11, 113468817), (19, 65692473), (21, 59436047), (33, 37822939), (57, 21897491), (77, 16209831), (103, 12118029), (121, 10315347), (133, 9384639), (209, 5972043), (231, 5403277), (251, 4972737), (309, 4039343), (363, 3438449), (399, 3128213), (627, 1990681), (721, 1731147), (753, 1657579), (847, 1473621), (1133, 1101639), (1463, 853149), (1757, 710391), (1957, 637791), (2163, 577049), (2299, 542913), (2541, 491207), (2761, 452067), (3399, 367213), (4389, 284383), (4769, 261723), (5271, 236797), (5871, 212597), (6897, 180971), (7931, 157377), (8283, 150689), (12463, 100149), (13699, 91113), (14307, 87241), (16093, 77559), (19327, 64581), (21527, 57981), (23793, 52459), (25853, 48279), (30371, 41097), (33383, 37389)]