331389308

素因数分解:

$2^2\times {\mathrm{307}}^1\times {\mathrm{421}}^1\times {\mathrm{641}}^1$

素因数の和:1373

約数の個数: 24

約数和(自身を含む): 584112144

約数和(自身を除く): 252722836

約数列:

[1, 2, 4, 307, 421, 614, 641, 842, 1228, 1282, 1684, 2564, 129247, 196787, 258494, 269861, 393574, 516988, 539722, 787148, 1079444, 82847327, 165694654, 331389308]

約数ペア:

[(1, 331389308), (2, 165694654), (4, 82847327), (307, 1079444), (421, 787148), (614, 539722), (641, 516988), (842, 393574), (1228, 269861), (1282, 258494), (1684, 196787), (2564, 129247)]