128277597

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 218087424

約数和(自身を除く): 89809827

約数列:

[1, 3, 7, 17, 21, 31, 51, 67, 93, 119, 173, 201, 217, 357, 469, 519, 527, 651, 1139, 1211, 1407, 1581, 2077, 2941, 3417, 3633, 3689, 5363, 6231, 7973, 8823, 11067, 11591, 14539, 16089, 20587, 23919, 34773, 35309, 37541, 43617, 61761, 81137, 91171, 105927, 112623, 197047, 243411, 247163, 273513, 359321, 591141, 638197, 741489, 1077963, 1379329, 1914591, 2515247, 4137987, 6108457, 7545741, 18325371, 42759199, 128277597]

約数ペア:

[(1, 128277597), (3, 42759199), (7, 18325371), (17, 7545741), (21, 6108457), (31, 4137987), (51, 2515247), (67, 1914591), (93, 1379329), (119, 1077963), (173, 741489), (201, 638197), (217, 591141), (357, 359321), (469, 273513), (519, 247163), (527, 243411), (651, 197047), (1139, 112623), (1211, 105927), (1407, 91171), (1581, 81137), (2077, 61761), (2941, 43617), (3417, 37541), (3633, 35309), (3689, 34773), (5363, 23919), (6231, 20587), (7973, 16089), (8823, 14539), (11067, 11591)]