2005809988

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1193}}^1$

素因数の和:1397

約数の個数: 96

約数和(自身を含む): 4493260800

約数和(自身を除く): 2487450812

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 149, 182, 217, 298, 364, 403, 434, 596, 806, 868, 1043, 1193, 1612, 1937, 2086, 2386, 2821, 3874, 4172, 4619, 4772, 5642, 7748, 8351, 9238, 11284, 13559, 15509, 16702, 18476, 27118, 31018, 32333, 33404, 36983, 54236, 60047, 62036, 64666, 73966, 108563, 120094, 129332, 147932, 177757, 217126, 240188, 258881, 355514, 420329, 434252, 480779, 517762, 711028, 840658, 961558, 1035524, 1244299, 1681316, 1923116, 2310841, 2488598, 3365453, 4621682, 4977196, 5510467, 6730906, 9243364, 11020934, 13461812, 16175887, 22041868, 32351774, 38573269, 64703548, 71636071, 77146538, 143272142, 154293076, 286544284, 501452497, 1002904994, 2005809988]

約数ペア:

[(1, 2005809988), (2, 1002904994), (4, 501452497), (7, 286544284), (13, 154293076), (14, 143272142), (26, 77146538), (28, 71636071), (31, 64703548), (52, 38573269), (62, 32351774), (91, 22041868), (124, 16175887), (149, 13461812), (182, 11020934), (217, 9243364), (298, 6730906), (364, 5510467), (403, 4977196), (434, 4621682), (596, 3365453), (806, 2488598), (868, 2310841), (1043, 1923116), (1193, 1681316), (1612, 1244299), (1937, 1035524), (2086, 961558), (2386, 840658), (2821, 711028), (3874, 517762), (4172, 480779), (4619, 434252), (4772, 420329), (5642, 355514), (7748, 258881), (8351, 240188), (9238, 217126), (11284, 177757), (13559, 147932), (15509, 129332), (16702, 120094), (18476, 108563), (27118, 73966), (31018, 64666), (32333, 62036), (33404, 60047), (36983, 54236)]