644206075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 882425664

約数和(自身を除く): 238219589

約数列:

[1, 5, 17, 25, 37, 71, 85, 185, 355, 425, 577, 629, 925, 1207, 1775, 2627, 2885, 3145, 6035, 9809, 13135, 14425, 15725, 21349, 30175, 40967, 44659, 49045, 65675, 106745, 204835, 223295, 245225, 362933, 533725, 696439, 1024175, 1116475, 1515779, 1814665, 3482195, 7578895, 9073325, 17410975, 25768243, 37894475, 128841215, 644206075]

約数ペア:

[(1, 644206075), (5, 128841215), (17, 37894475), (25, 25768243), (37, 17410975), (71, 9073325), (85, 7578895), (185, 3482195), (355, 1814665), (425, 1515779), (577, 1116475), (629, 1024175), (925, 696439), (1207, 533725), (1775, 362933), (2627, 245225), (2885, 223295), (3145, 204835), (6035, 106745), (9809, 65675), (13135, 49045), (14425, 44659), (15725, 40967), (21349, 30175)]