28626492076

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{211979}}^1$

素因数の和:212063

約数の個数: 72

約数和(自身を含む): 63942495120

約数和(自身を除く): 35316003044

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 53, 91, 98, 106, 182, 196, 212, 364, 371, 637, 689, 742, 1274, 1378, 1484, 2548, 2597, 2756, 4823, 5194, 9646, 10388, 19292, 33761, 67522, 135044, 211979, 423958, 847916, 1483853, 2755727, 2967706, 5511454, 5935412, 10386971, 11022908, 11234887, 19290089, 20773942, 22469774, 38580178, 41547884, 44939548, 77160356, 78644209, 135030623, 146053531, 157288418, 270061246, 292107062, 314576836, 540122492, 550509463, 584214124, 1022374717, 1101018926, 2044749434, 2202037852, 4089498868, 7156623019, 14313246038, 28626492076]

約数ペア:

[(1, 28626492076), (2, 14313246038), (4, 7156623019), (7, 4089498868), (13, 2202037852), (14, 2044749434), (26, 1101018926), (28, 1022374717), (49, 584214124), (52, 550509463), (53, 540122492), (91, 314576836), (98, 292107062), (106, 270061246), (182, 157288418), (196, 146053531), (212, 135030623), (364, 78644209), (371, 77160356), (637, 44939548), (689, 41547884), (742, 38580178), (1274, 22469774), (1378, 20773942), (1484, 19290089), (2548, 11234887), (2597, 11022908), (2756, 10386971), (4823, 5935412), (5194, 5511454), (9646, 2967706), (10388, 2755727), (19292, 1483853), (33761, 847916), (67522, 423958), (135044, 211979)]