278156738

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1\times {\mathrm{283}}^1$

素因数の和:590

約数の個数: 32

約数和(自身を含む): 439713792

約数和(自身を除く): 161557054

約数列:

[1, 2, 31, 62, 83, 166, 191, 283, 382, 566, 2573, 5146, 5921, 8773, 11842, 15853, 17546, 23489, 31706, 46978, 54053, 108106, 491443, 728159, 982886, 1456318, 1675643, 3351286, 4486399, 8972798, 139078369, 278156738]

約数ペア:

[(1, 278156738), (2, 139078369), (31, 8972798), (62, 4486399), (83, 3351286), (166, 1675643), (191, 1456318), (283, 982886), (382, 728159), (566, 491443), (2573, 108106), (5146, 54053), (5921, 46978), (8773, 31706), (11842, 23489), (15853, 17546)]