138980611

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 190753920

約数和(自身を除く): 51773309

約数列:

[1, 7, 11, 19, 41, 49, 77, 133, 209, 287, 331, 451, 539, 779, 931, 1463, 2009, 2317, 3157, 3641, 5453, 6289, 8569, 10241, 13571, 16219, 22099, 25487, 38171, 44023, 59983, 69179, 94997, 149281, 178409, 257849, 308161, 419881, 484253, 664979, 1044967, 1804943, 2836339, 3389771, 7314769, 12634601, 19854373, 138980611]

約数ペア:

[(1, 138980611), (7, 19854373), (11, 12634601), (19, 7314769), (41, 3389771), (49, 2836339), (77, 1804943), (133, 1044967), (209, 664979), (287, 484253), (331, 419881), (451, 308161), (539, 257849), (779, 178409), (931, 149281), (1463, 94997), (2009, 69179), (2317, 59983), (3157, 44023), (3641, 38171), (5453, 25487), (6289, 22099), (8569, 16219), (10241, 13571)]