28002017315

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{360781}}^1$

素因数の和:360867

約数の個数: 24

約数和(自身を含む): 36288896688

約数和(自身を除く): 8286879373

約数列:

[1, 5, 19, 43, 95, 215, 361, 817, 1805, 4085, 15523, 77615, 360781, 1803905, 6854839, 15513583, 34274195, 77567915, 130241941, 294758077, 651209705, 1473790385, 5600403463, 28002017315]

約数ペア:

[(1, 28002017315), (5, 5600403463), (19, 1473790385), (43, 651209705), (95, 294758077), (215, 130241941), (361, 77567915), (817, 34274195), (1805, 15513583), (4085, 6854839), (15523, 1803905), (77615, 360781)]