81755528

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:749

約数の個数: 32

約数和(自身を含む): 155675520

約数和(自身を除く): 73919992

約数列:

[1, 2, 4, 8, 131, 181, 262, 362, 431, 524, 724, 862, 1048, 1448, 1724, 3448, 23711, 47422, 56461, 78011, 94844, 112922, 156022, 189688, 225844, 312044, 451688, 624088, 10219441, 20438882, 40877764, 81755528]

約数ペア:

[(1, 81755528), (2, 40877764), (4, 20438882), (8, 10219441), (131, 624088), (181, 451688), (262, 312044), (362, 225844), (431, 189688), (524, 156022), (724, 112922), (862, 94844), (1048, 78011), (1448, 56461), (1724, 47422), (3448, 23711)]