49478975

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^2\times {\mathrm{239}}^1$

素因数の和:289

約数の個数: 54

約数和(自身を含む): 77606640

約数和(自身を除く): 28127665

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 169, 175, 239, 245, 325, 455, 637, 845, 1183, 1195, 1225, 1673, 2275, 3107, 3185, 4225, 5915, 5975, 8281, 8365, 11711, 15535, 15925, 21749, 29575, 40391, 41405, 41825, 58555, 77675, 108745, 152243, 201955, 207025, 282737, 292775, 543725, 761215, 1009775, 1413685, 1979159, 3806075, 7068425, 9895795, 49478975]

約数ペア:

[(1, 49478975), (5, 9895795), (7, 7068425), (13, 3806075), (25, 1979159), (35, 1413685), (49, 1009775), (65, 761215), (91, 543725), (169, 292775), (175, 282737), (239, 207025), (245, 201955), (325, 152243), (455, 108745), (637, 77675), (845, 58555), (1183, 41825), (1195, 41405), (1225, 40391), (1673, 29575), (2275, 21749), (3107, 15925), (3185, 15535), (4225, 11711), (5915, 8365), (5975, 8281)]