78401356

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{251}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 155796480

約数和(自身を除く): 77395124

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 229, 251, 341, 458, 502, 682, 916, 1004, 1364, 2519, 2761, 5038, 5522, 7099, 7781, 10076, 11044, 14198, 15562, 28396, 31124, 57479, 78089, 85591, 114958, 156178, 171182, 229916, 312356, 342364, 632269, 1264538, 1781849, 2529076, 3563698, 7127396, 19600339, 39200678, 78401356]

約数ペア:

[(1, 78401356), (2, 39200678), (4, 19600339), (11, 7127396), (22, 3563698), (31, 2529076), (44, 1781849), (62, 1264538), (124, 632269), (229, 342364), (251, 312356), (341, 229916), (458, 171182), (502, 156178), (682, 114958), (916, 85591), (1004, 78089), (1364, 57479), (2519, 31124), (2761, 28396), (5038, 15562), (5522, 14198), (7099, 11044), (7781, 10076)]