16689708

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{643}}^1$

素因数の和:763

約数の個数: 72

約数和(自身を含む): 48758528

約数和(自身を除く): 32068820

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 103, 126, 206, 252, 309, 412, 618, 643, 721, 927, 1236, 1286, 1442, 1854, 1929, 2163, 2572, 2884, 3708, 3858, 4326, 4501, 5787, 6489, 7716, 8652, 9002, 11574, 12978, 13503, 18004, 23148, 25956, 27006, 40509, 54012, 66229, 81018, 132458, 162036, 198687, 264916, 397374, 463603, 596061, 794748, 927206, 1192122, 1390809, 1854412, 2384244, 2781618, 4172427, 5563236, 8344854, 16689708]

約数ペア:

[(1, 16689708), (2, 8344854), (3, 5563236), (4, 4172427), (6, 2781618), (7, 2384244), (9, 1854412), (12, 1390809), (14, 1192122), (18, 927206), (21, 794748), (28, 596061), (36, 463603), (42, 397374), (63, 264916), (84, 198687), (103, 162036), (126, 132458), (206, 81018), (252, 66229), (309, 54012), (412, 40509), (618, 27006), (643, 25956), (721, 23148), (927, 18004), (1236, 13503), (1286, 12978), (1442, 11574), (1854, 9002), (1929, 8652), (2163, 7716), (2572, 6489), (2884, 5787), (3708, 4501), (3858, 4326)]