28481266

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1117}}^1$

素因数の和:1210

約数の個数: 32

約数和(自身を含む): 49907520

約数和(自身を除く): 21426254

約数列:

[1, 2, 11, 19, 22, 38, 61, 122, 209, 418, 671, 1117, 1159, 1342, 2234, 2318, 12287, 12749, 21223, 24574, 25498, 42446, 68137, 136274, 233453, 466906, 749507, 1294603, 1499014, 2589206, 14240633, 28481266]

約数ペア:

[(1, 28481266), (2, 14240633), (11, 2589206), (19, 1499014), (22, 1294603), (38, 749507), (61, 466906), (122, 233453), (209, 136274), (418, 68137), (671, 42446), (1117, 25498), (1159, 24574), (1342, 21223), (2234, 12749), (2318, 12287)]