81606938

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 150473664

約数和(自身を除く): 68866726

約数列:

[1, 2, 7, 14, 19, 38, 67, 133, 134, 241, 266, 361, 469, 482, 722, 938, 1273, 1687, 2527, 2546, 3374, 4579, 5054, 8911, 9158, 16147, 17822, 24187, 32053, 32294, 48374, 64106, 87001, 113029, 169309, 174002, 226058, 306793, 338618, 609007, 613586, 1218014, 2147551, 4295102, 5829067, 11658134, 40803469, 81606938]

約数ペア:

[(1, 81606938), (2, 40803469), (7, 11658134), (14, 5829067), (19, 4295102), (38, 2147551), (67, 1218014), (133, 613586), (134, 609007), (241, 338618), (266, 306793), (361, 226058), (469, 174002), (482, 169309), (722, 113029), (938, 87001), (1273, 64106), (1687, 48374), (2527, 32294), (2546, 32053), (3374, 24187), (4579, 17822), (5054, 16147), (8911, 9158)]