1278432826

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{811}}^1\times {\mathrm{907}}^1$

素因数の和:1810

約数の個数: 32

約数和(自身を含む): 2123412480

約数和(自身を除く): 844979654

約数列:

[1, 2, 11, 22, 79, 158, 811, 869, 907, 1622, 1738, 1814, 8921, 9977, 17842, 19954, 64069, 71653, 128138, 143306, 704759, 735577, 788183, 1409518, 1471154, 1576366, 8091347, 16182694, 58110583, 116221166, 639216413, 1278432826]

約数ペア:

[(1, 1278432826), (2, 639216413), (11, 116221166), (22, 58110583), (79, 16182694), (158, 8091347), (811, 1576366), (869, 1471154), (907, 1409518), (1622, 788183), (1738, 735577), (1814, 704759), (8921, 143306), (9977, 128138), (17842, 71653), (19954, 64069)]