28379448

素因数分解:

$2^3\times 3^2\times {\mathrm{613}}^1\times {\mathrm{643}}^1$

素因数の和:1268

約数の個数: 48

約数和(自身を含む): 77106120

約数和(自身を除く): 48726672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 613, 643, 1226, 1286, 1839, 1929, 2452, 2572, 3678, 3858, 4904, 5144, 5517, 5787, 7356, 7716, 11034, 11574, 14712, 15432, 22068, 23148, 44136, 46296, 394159, 788318, 1182477, 1576636, 2364954, 3153272, 3547431, 4729908, 7094862, 9459816, 14189724, 28379448]

約数ペア:

[(1, 28379448), (2, 14189724), (3, 9459816), (4, 7094862), (6, 4729908), (8, 3547431), (9, 3153272), (12, 2364954), (18, 1576636), (24, 1182477), (36, 788318), (72, 394159), (613, 46296), (643, 44136), (1226, 23148), (1286, 22068), (1839, 15432), (1929, 14712), (2452, 11574), (2572, 11034), (3678, 7716), (3858, 7356), (4904, 5787), (5144, 5517)]