28072278

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{39989}}^1$

素因数の和:40013

約数の個数: 32

約数和(自身を含む): 67183200

約数和(自身を除く): 39110922

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 39989, 79978, 119967, 239934, 359901, 519857, 719802, 1039714, 1079703, 1559571, 2159406, 3119142, 4678713, 9357426, 14036139, 28072278]

約数ペア:

[(1, 28072278), (2, 14036139), (3, 9357426), (6, 4678713), (9, 3119142), (13, 2159406), (18, 1559571), (26, 1079703), (27, 1039714), (39, 719802), (54, 519857), (78, 359901), (117, 239934), (234, 119967), (351, 79978), (702, 39989)]