256014928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{503}}^1\times {\mathrm{2447}}^1$

素因数の和:2971

約数の個数: 40

約数和(自身を含む): 535465728

約数和(自身を除く): 279450800

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 503, 1006, 2012, 2447, 4024, 4894, 6539, 8048, 9788, 13078, 19576, 26156, 31811, 39152, 52312, 63622, 104624, 127244, 254488, 508976, 1230841, 2461682, 4923364, 9846728, 16000933, 19693456, 32001866, 64003732, 128007464, 256014928]

約数ペア:

[(1, 256014928), (2, 128007464), (4, 64003732), (8, 32001866), (13, 19693456), (16, 16000933), (26, 9846728), (52, 4923364), (104, 2461682), (208, 1230841), (503, 508976), (1006, 254488), (2012, 127244), (2447, 104624), (4024, 63622), (4894, 52312), (6539, 39152), (8048, 31811), (9788, 26156), (13078, 19576)]