256865752

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7243}}^1$

素因数の和:7304

約数の個数: 64

約数和(自身を含む): 584156160

約数和(自身を除く): 327290408

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 44, 52, 62, 88, 104, 124, 143, 248, 286, 341, 403, 572, 682, 806, 1144, 1364, 1612, 2728, 3224, 4433, 7243, 8866, 14486, 17732, 28972, 35464, 57944, 79673, 94159, 159346, 188318, 224533, 318692, 376636, 449066, 637384, 753272, 898132, 1035749, 1796264, 2071498, 2469863, 2918929, 4142996, 4939726, 5837858, 8285992, 9879452, 11675716, 19758904, 23351432, 32108219, 64216438, 128432876, 256865752]

約数ペア:

[(1, 256865752), (2, 128432876), (4, 64216438), (8, 32108219), (11, 23351432), (13, 19758904), (22, 11675716), (26, 9879452), (31, 8285992), (44, 5837858), (52, 4939726), (62, 4142996), (88, 2918929), (104, 2469863), (124, 2071498), (143, 1796264), (248, 1035749), (286, 898132), (341, 753272), (403, 637384), (572, 449066), (682, 376636), (806, 318692), (1144, 224533), (1364, 188318), (1612, 159346), (2728, 94159), (3224, 79673), (4433, 57944), (7243, 35464), (8866, 28972), (14486, 17732)]