28213758

素因数分解:

$2^1\times 3^6\times {\mathrm{37}}^1\times {\mathrm{523}}^1$

素因数の和:580

約数の個数: 56

約数和(自身を含む): 65291448

約数和(自身を除く): 37077690

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 81, 111, 162, 222, 243, 333, 486, 523, 666, 729, 999, 1046, 1458, 1569, 1998, 2997, 3138, 4707, 5994, 8991, 9414, 14121, 17982, 19351, 26973, 28242, 38702, 42363, 53946, 58053, 84726, 116106, 127089, 174159, 254178, 348318, 381267, 522477, 762534, 1044954, 1567431, 3134862, 4702293, 9404586, 14106879, 28213758]

約数ペア:

[(1, 28213758), (2, 14106879), (3, 9404586), (6, 4702293), (9, 3134862), (18, 1567431), (27, 1044954), (37, 762534), (54, 522477), (74, 381267), (81, 348318), (111, 254178), (162, 174159), (222, 127089), (243, 116106), (333, 84726), (486, 58053), (523, 53946), (666, 42363), (729, 38702), (999, 28242), (1046, 26973), (1458, 19351), (1569, 17982), (1998, 14121), (2997, 9414), (3138, 8991), (4707, 5994)]