1278233164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{346217}}^1$

素因数の和:346305

約数の個数: 24

約数和(自身を含む): 2442914208

約数和(自身を除く): 1164681044

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 346217, 692434, 1384868, 4500821, 9001642, 18003284, 24581407, 49162814, 98325628, 319558291, 639116582, 1278233164]

約数ペア:

[(1, 1278233164), (2, 639116582), (4, 319558291), (13, 98325628), (26, 49162814), (52, 24581407), (71, 18003284), (142, 9001642), (284, 4500821), (923, 1384868), (1846, 692434), (3692, 346217)]