28887786

素因数分解:

$2^1\times 3^3\times {\mathrm{509}}^1\times {\mathrm{1051}}^1$

素因数の和:1571

約数の個数: 32

約数和(自身を含む): 64382400

約数和(自身を除く): 35494614

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 509, 1018, 1051, 1527, 2102, 3054, 3153, 4581, 6306, 9162, 9459, 13743, 18918, 27486, 28377, 56754, 534959, 1069918, 1604877, 3209754, 4814631, 9629262, 14443893, 28887786]

約数ペア:

[(1, 28887786), (2, 14443893), (3, 9629262), (6, 4814631), (9, 3209754), (18, 1604877), (27, 1069918), (54, 534959), (509, 56754), (1018, 28377), (1051, 27486), (1527, 18918), (2102, 13743), (3054, 9459), (3153, 9162), (4581, 6306)]