128431338

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{19477}}^1$

素因数の和:19646

約数の個数: 32

約数和(自身を含む): 295442304

約数和(自身を除く): 167010966

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 157, 314, 471, 942, 1099, 2198, 3297, 6594, 19477, 38954, 58431, 116862, 136339, 272678, 409017, 818034, 3057889, 6115778, 9173667, 18347334, 21405223, 42810446, 64215669, 128431338]

約数ペア:

[(1, 128431338), (2, 64215669), (3, 42810446), (6, 21405223), (7, 18347334), (14, 9173667), (21, 6115778), (42, 3057889), (157, 818034), (314, 409017), (471, 272678), (942, 136339), (1099, 116862), (2198, 58431), (3297, 38954), (6594, 19477)]