28401292415

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1\times {\mathrm{281}}^1\times {\mathrm{761}}^1$

素因数の和:1411

約数の個数: 32

約数和(自身を含む): 34718378112

約数和(自身を除く): 6317085697

約数列:

[1, 5, 101, 263, 281, 505, 761, 1315, 1405, 3805, 26563, 28381, 73903, 76861, 132815, 141905, 200143, 213841, 369515, 384305, 1000715, 1069205, 7464203, 20214443, 21597941, 37321015, 56240183, 101072215, 107989705, 281200915, 5680258483, 28401292415]

約数ペア:

[(1, 28401292415), (5, 5680258483), (101, 281200915), (263, 107989705), (281, 101072215), (505, 56240183), (761, 37321015), (1315, 21597941), (1405, 20214443), (3805, 7464203), (26563, 1069205), (28381, 1000715), (73903, 384305), (76861, 369515), (132815, 213841), (141905, 200143)]