25703734

素因数分解:

$2^1\times 7^3\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 45576000

約数和(自身を除く): 19872266

約数列:

[1, 2, 7, 14, 49, 89, 98, 178, 343, 421, 623, 686, 842, 1246, 2947, 4361, 5894, 8722, 20629, 30527, 37469, 41258, 61054, 74938, 144403, 262283, 288806, 524566, 1835981, 3671962, 12851867, 25703734]

約数ペア:

[(1, 25703734), (2, 12851867), (7, 3671962), (14, 1835981), (49, 524566), (89, 288806), (98, 262283), (178, 144403), (343, 74938), (421, 61054), (623, 41258), (686, 37469), (842, 30527), (1246, 20629), (2947, 8722), (4361, 5894)]