8681985364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1\times {\mathrm{2447}}^1$

素因数の和:2597

約数の個数: 72

約数和(自身を含む): 17152176384

約数和(自身を除く): 8470191020

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 71, 124, 142, 284, 403, 806, 923, 961, 1612, 1846, 1922, 2201, 2447, 3692, 3844, 4402, 4894, 8804, 9788, 12493, 24986, 28613, 31811, 49972, 57226, 63622, 68231, 75857, 114452, 127244, 136462, 151714, 173737, 272924, 303428, 347474, 694948, 887003, 986141, 1774006, 1972282, 2258581, 2351567, 3548012, 3944564, 4517162, 4703134, 5385847, 9034324, 9406268, 10771694, 21543388, 30570371, 61140742, 70016011, 122281484, 140032022, 166961257, 280064044, 333922514, 667845028, 2170496341, 4340992682, 8681985364]

約数ペア:

[(1, 8681985364), (2, 4340992682), (4, 2170496341), (13, 667845028), (26, 333922514), (31, 280064044), (52, 166961257), (62, 140032022), (71, 122281484), (124, 70016011), (142, 61140742), (284, 30570371), (403, 21543388), (806, 10771694), (923, 9406268), (961, 9034324), (1612, 5385847), (1846, 4703134), (1922, 4517162), (2201, 3944564), (2447, 3548012), (3692, 2351567), (3844, 2258581), (4402, 1972282), (4894, 1774006), (8804, 986141), (9788, 887003), (12493, 694948), (24986, 347474), (28613, 303428), (31811, 272924), (49972, 173737), (57226, 151714), (63622, 136462), (68231, 127244), (75857, 114452)]