81379128

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{997}}^1$

素因数の和:1204

約数の個数: 64

約数和(自身を含む): 215568000

約数和(自身を除く): 134188872

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 179, 228, 358, 456, 537, 716, 997, 1074, 1432, 1994, 2148, 2991, 3401, 3988, 4296, 5982, 6802, 7976, 10203, 11964, 13604, 18943, 20406, 23928, 27208, 37886, 40812, 56829, 75772, 81624, 113658, 151544, 178463, 227316, 356926, 454632, 535389, 713852, 1070778, 1427704, 2141556, 3390797, 4283112, 6781594, 10172391, 13563188, 20344782, 27126376, 40689564, 81379128]

約数ペア:

[(1, 81379128), (2, 40689564), (3, 27126376), (4, 20344782), (6, 13563188), (8, 10172391), (12, 6781594), (19, 4283112), (24, 3390797), (38, 2141556), (57, 1427704), (76, 1070778), (114, 713852), (152, 535389), (179, 454632), (228, 356926), (358, 227316), (456, 178463), (537, 151544), (716, 113658), (997, 81624), (1074, 75772), (1432, 56829), (1994, 40812), (2148, 37886), (2991, 27208), (3401, 23928), (3988, 20406), (4296, 18943), (5982, 13604), (6802, 11964), (7976, 10203)]