28737115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 39916800

約数和(自身を除く): 11179685

約数列:

[1, 5, 11, 29, 43, 55, 145, 215, 319, 419, 473, 1247, 1595, 2095, 2365, 4609, 6235, 12151, 13717, 18017, 23045, 60755, 68585, 90085, 133661, 198187, 522493, 668305, 990935, 2612465, 5747423, 28737115]

約数ペア:

[(1, 28737115), (5, 5747423), (11, 2612465), (29, 990935), (43, 668305), (55, 522493), (145, 198187), (215, 133661), (319, 90085), (419, 68585), (473, 60755), (1247, 23045), (1595, 18017), (2095, 13717), (2365, 12151), (4609, 6235)]