256763835

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{14593}}^1$

素因数の和:14644

約数の個数: 48

約数和(自身を含む): 491759424

約数和(自身を除く): 234995589

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 115, 153, 207, 255, 345, 391, 765, 1035, 1173, 1955, 3519, 5865, 14593, 17595, 43779, 72965, 131337, 218895, 248081, 335639, 656685, 744243, 1006917, 1240405, 1678195, 2232729, 3020751, 3721215, 5034585, 5705863, 11163645, 15103755, 17117589, 28529315, 51352767, 85587945, 256763835]

約数ペア:

[(1, 256763835), (3, 85587945), (5, 51352767), (9, 28529315), (15, 17117589), (17, 15103755), (23, 11163645), (45, 5705863), (51, 5034585), (69, 3721215), (85, 3020751), (115, 2232729), (153, 1678195), (207, 1240405), (255, 1006917), (345, 744243), (391, 656685), (765, 335639), (1035, 248081), (1173, 218895), (1955, 131337), (3519, 72965), (5865, 43779), (14593, 17595)]