13187860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13457}}^1$

素因数の和:13480

約数の個数: 36

約数和(自身を含む): 32218452

約数和(自身を除く): 19030592

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 13457, 26914, 53828, 67285, 94199, 134570, 188398, 269140, 376796, 470995, 659393, 941990, 1318786, 1883980, 2637572, 3296965, 6593930, 13187860]

約数ペア:

[(1, 13187860), (2, 6593930), (4, 3296965), (5, 2637572), (7, 1883980), (10, 1318786), (14, 941990), (20, 659393), (28, 470995), (35, 376796), (49, 269140), (70, 188398), (98, 134570), (140, 94199), (196, 67285), (245, 53828), (490, 26914), (980, 13457)]