31389306

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{3761}}^1$

素因数の和:3886

約数の個数: 32

約数和(自身を含む): 68257728

約数和(自身を除く): 36868422

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 107, 214, 321, 642, 1391, 2782, 3761, 4173, 7522, 8346, 11283, 22566, 48893, 97786, 146679, 293358, 402427, 804854, 1207281, 2414562, 5231551, 10463102, 15694653, 31389306]

約数ペア:

[(1, 31389306), (2, 15694653), (3, 10463102), (6, 5231551), (13, 2414562), (26, 1207281), (39, 804854), (78, 402427), (107, 293358), (214, 146679), (321, 97786), (642, 48893), (1391, 22566), (2782, 11283), (3761, 8346), (4173, 7522)]