128432876

素因数分解:

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

素因数の和:7302

約数の個数: 48

約数和(自身を含む): 272606208

約数和(自身を除く): 144173332

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 124, 143, 286, 341, 403, 572, 682, 806, 1364, 1612, 4433, 7243, 8866, 14486, 17732, 28972, 79673, 94159, 159346, 188318, 224533, 318692, 376636, 449066, 898132, 1035749, 2071498, 2469863, 2918929, 4142996, 4939726, 5837858, 9879452, 11675716, 32108219, 64216438, 128432876]

約数ペア:

[(1, 128432876), (2, 64216438), (4, 32108219), (11, 11675716), (13, 9879452), (22, 5837858), (26, 4939726), (31, 4142996), (44, 2918929), (52, 2469863), (62, 2071498), (124, 1035749), (143, 898132), (286, 449066), (341, 376636), (403, 318692), (572, 224533), (682, 188318), (806, 159346), (1364, 94159), (1612, 79673), (4433, 28972), (7243, 17732), (8866, 14486)]