97781719

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 119992320

約数和(自身を除く): 22210601

約数列:

[1, 7, 31, 61, 83, 89, 217, 427, 581, 623, 1891, 2573, 2759, 5063, 5429, 7387, 13237, 18011, 19313, 35441, 38003, 51709, 156953, 168299, 228997, 450607, 1098671, 1178093, 1602979, 3154249, 13968817, 97781719]

約数ペア:

[(1, 97781719), (7, 13968817), (31, 3154249), (61, 1602979), (83, 1178093), (89, 1098671), (217, 450607), (427, 228997), (581, 168299), (623, 156953), (1891, 51709), (2573, 38003), (2759, 35441), (5063, 19313), (5429, 18011), (7387, 13237)]