268705918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{641}}^1\times {\mathrm{701}}^1$

素因数の和:1380

約数の個数: 32

約数和(自身を含む): 454289472

約数和(自身を除く): 185583554

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 641, 701, 1282, 1402, 8333, 9113, 14743, 16123, 16666, 18226, 29486, 32246, 191659, 209599, 383318, 419198, 449341, 898682, 5841433, 10334843, 11682866, 20669686, 134352959, 268705918]

約数ペア:

[(1, 268705918), (2, 134352959), (13, 20669686), (23, 11682866), (26, 10334843), (46, 5841433), (299, 898682), (598, 449341), (641, 419198), (701, 383318), (1282, 209599), (1402, 191659), (8333, 32246), (9113, 29486), (14743, 18226), (16123, 16666)]