1991462148

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{12263}}^1$

素因数の和:12633

約数の個数: 72

約数和(自身を含む): 5437268928

約数和(自身を除く): 3445806780

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 347, 468, 694, 1041, 1388, 2082, 3123, 4164, 4511, 6246, 9022, 12263, 12492, 13533, 18044, 24526, 27066, 36789, 40599, 49052, 54132, 73578, 81198, 110367, 147156, 159419, 162396, 220734, 318838, 441468, 478257, 637676, 956514, 1434771, 1913028, 2869542, 4255261, 5739084, 8510522, 12765783, 17021044, 25531566, 38297349, 51063132, 55318393, 76594698, 110636786, 153189396, 165955179, 221273572, 331910358, 497865537, 663820716, 995731074, 1991462148]

約数ペア:

[(1, 1991462148), (2, 995731074), (3, 663820716), (4, 497865537), (6, 331910358), (9, 221273572), (12, 165955179), (13, 153189396), (18, 110636786), (26, 76594698), (36, 55318393), (39, 51063132), (52, 38297349), (78, 25531566), (117, 17021044), (156, 12765783), (234, 8510522), (347, 5739084), (468, 4255261), (694, 2869542), (1041, 1913028), (1388, 1434771), (2082, 956514), (3123, 637676), (4164, 478257), (4511, 441468), (6246, 318838), (9022, 220734), (12263, 162396), (12492, 159419), (13533, 147156), (18044, 110367), (24526, 81198), (27066, 73578), (36789, 54132), (40599, 49052)]