2498978401

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 2779920000

約数和(自身を除く): 280941599

約数列:

[1, 19, 29, 89, 131, 389, 551, 1691, 2489, 2581, 3799, 7391, 11281, 11659, 34621, 49039, 50959, 72181, 214339, 221521, 338111, 657799, 968221, 1004009, 1477811, 4535351, 6424109, 19076171, 28078409, 86171669, 131525179, 2498978401]

約数ペア:

[(1, 2498978401), (19, 131525179), (29, 86171669), (89, 28078409), (131, 19076171), (389, 6424109), (551, 4535351), (1691, 1477811), (2489, 1004009), (2581, 968221), (3799, 657799), (7391, 338111), (11281, 221521), (11659, 214339), (34621, 72181), (49039, 50959)]