287394775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29401}}^1$

素因数の和:29451

約数の個数: 24

約数和(自身を含む): 393751584

約数和(自身を除く): 106356809

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 575, 1955, 9775, 29401, 147005, 499817, 676223, 735025, 2499085, 3381115, 11495791, 12495425, 16905575, 57478955, 287394775]

約数ペア:

[(1, 287394775), (5, 57478955), (17, 16905575), (23, 12495425), (25, 11495791), (85, 3381115), (115, 2499085), (391, 735025), (425, 676223), (575, 499817), (1955, 147005), (9775, 29401)]