71780716

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{36107}}^1$

素因数の和:36189

約数の個数: 24

約数和(自身を含む): 145587456

約数和(自身を除く): 73806740

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 36107, 72214, 144428, 252749, 505498, 1010996, 2563597, 5127194, 10254388, 17945179, 35890358, 71780716]

約数ペア:

[(1, 71780716), (2, 35890358), (4, 17945179), (7, 10254388), (14, 5127194), (28, 2563597), (71, 1010996), (142, 505498), (284, 252749), (497, 144428), (994, 72214), (1988, 36107)]