868006945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1\times {\mathrm{641}}^1$

素因数の和:993

約数の個数: 32

約数和(自身を含む): 1141547904

約数和(自身を除く): 273540959

約数列:

[1, 5, 13, 65, 83, 251, 415, 641, 1079, 1255, 3205, 3263, 5395, 8333, 16315, 20833, 41665, 53203, 104165, 160891, 266015, 270829, 691639, 804455, 1354145, 2091583, 3458195, 10457915, 13353953, 66769765, 173601389, 868006945]

約数ペア:

[(1, 868006945), (5, 173601389), (13, 66769765), (65, 13353953), (83, 10457915), (251, 3458195), (415, 2091583), (641, 1354145), (1079, 804455), (1255, 691639), (3205, 270829), (3263, 266015), (5395, 160891), (8333, 104165), (16315, 53203), (20833, 41665)]