155403755

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5471}}^1$

素因数の和:5531

約数の個数: 32

約数和(自身を含む): 220631040

約数和(自身を除く): 65227285

約数列:

[1, 5, 13, 19, 23, 65, 95, 115, 247, 299, 437, 1235, 1495, 2185, 5471, 5681, 27355, 28405, 71123, 103949, 125833, 355615, 519745, 629165, 1351337, 1635829, 2390827, 6756685, 8179145, 11954135, 31080751, 155403755]

約数ペア:

[(1, 155403755), (5, 31080751), (13, 11954135), (19, 8179145), (23, 6756685), (65, 2390827), (95, 1635829), (115, 1351337), (247, 629165), (299, 519745), (437, 355615), (1235, 125833), (1495, 103949), (2185, 71123), (5471, 28405), (5681, 27355)]