81050164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 157066560

約数和(自身を除く): 76016396

約数列:

[1, 2, 4, 13, 26, 52, 83, 89, 166, 178, 211, 332, 356, 422, 844, 1079, 1157, 2158, 2314, 2743, 4316, 4628, 5486, 7387, 10972, 14774, 17513, 18779, 29548, 35026, 37558, 70052, 75116, 96031, 192062, 227669, 244127, 384124, 455338, 488254, 910676, 976508, 1558657, 3117314, 6234628, 20262541, 40525082, 81050164]

約数ペア:

[(1, 81050164), (2, 40525082), (4, 20262541), (13, 6234628), (26, 3117314), (52, 1558657), (83, 976508), (89, 910676), (166, 488254), (178, 455338), (211, 384124), (332, 244127), (356, 227669), (422, 192062), (844, 96031), (1079, 75116), (1157, 70052), (2158, 37558), (2314, 35026), (2743, 29548), (4316, 18779), (4628, 17513), (5486, 14774), (7387, 10972)]