261010616

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{207811}}^1$

素因数の和:207974

約数の個数: 16

約数和(自身を含む): 492514440

約数和(自身を除く): 231503824

約数列:

[1, 2, 4, 8, 157, 314, 628, 1256, 207811, 415622, 831244, 1662488, 32626327, 65252654, 130505308, 261010616]

約数ペア:

[(1, 261010616), (2, 130505308), (4, 65252654), (8, 32626327), (157, 1662488), (314, 831244), (628, 415622), (1256, 207811)]