611408

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:171

約数の個数: 40

約数和(自身を含む): 1392768

約数和(自身を除く): 781360

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 103, 106, 112, 206, 212, 371, 412, 424, 721, 742, 824, 848, 1442, 1484, 1648, 2884, 2968, 5459, 5768, 5936, 10918, 11536, 21836, 38213, 43672, 76426, 87344, 152852, 305704, 611408]

約数ペア:

[(1, 611408), (2, 305704), (4, 152852), (7, 87344), (8, 76426), (14, 43672), (16, 38213), (28, 21836), (53, 11536), (56, 10918), (103, 5936), (106, 5768), (112, 5459), (206, 2968), (212, 2884), (371, 1648), (412, 1484), (424, 1442), (721, 848), (742, 824)]