287531255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{617}}^1$

素因数の和:899

約数の個数: 32

約数和(自身を含む): 388895040

約数和(自身を除く): 101363785

約数列:

[1, 5, 11, 37, 55, 185, 229, 407, 617, 1145, 2035, 2519, 3085, 6787, 8473, 12595, 22829, 33935, 42365, 93203, 114145, 141293, 251119, 466015, 706465, 1255595, 1554223, 5227841, 7771115, 26139205, 57506251, 287531255]

約数ペア:

[(1, 287531255), (5, 57506251), (11, 26139205), (37, 7771115), (55, 5227841), (185, 1554223), (229, 1255595), (407, 706465), (617, 466015), (1145, 251119), (2035, 141293), (2519, 114145), (3085, 93203), (6787, 42365), (8473, 33935), (12595, 22829)]