278896609874

素因数分解:

$2^1\times {\mathrm{389}}^1\times {\mathrm{6521}}^1\times {\mathrm{54973}}^1$

素因数の和:61885

約数の個数: 16

約数和(自身を含む): 419492300760

約数和(自身を除く): 140595690886

約数列:

[1, 2, 389, 778, 6521, 13042, 54973, 109946, 2536669, 5073338, 21384497, 42768994, 358478933, 716957866, 139448304937, 278896609874]

約数ペア:

[(1, 278896609874), (2, 139448304937), (389, 716957866), (778, 358478933), (6521, 42768994), (13042, 21384497), (54973, 5073338), (109946, 2536669)]