86406775

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2048

約数の個数: 48

約数和(自身を含む): 138880000

約数和(自身を除く): 52473225

約数列:

[1, 5, 7, 13, 19, 25, 35, 65, 91, 95, 133, 175, 247, 325, 455, 475, 665, 1235, 1729, 1999, 2275, 3325, 6175, 8645, 9995, 13993, 25987, 37981, 43225, 49975, 69965, 129935, 181909, 189905, 265867, 349825, 493753, 649675, 909545, 949525, 1329335, 2468765, 3456271, 4547725, 6646675, 12343825, 17281355, 86406775]

約数ペア:

[(1, 86406775), (5, 17281355), (7, 12343825), (13, 6646675), (19, 4547725), (25, 3456271), (35, 2468765), (65, 1329335), (91, 949525), (95, 909545), (133, 649675), (175, 493753), (247, 349825), (325, 265867), (455, 189905), (475, 181909), (665, 129935), (1235, 69965), (1729, 49975), (1999, 43225), (2275, 37981), (3325, 25987), (6175, 13993), (8645, 9995)]