71389328

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{61121}}^1$

素因数の和:61202

約数の個数: 20

約数和(自身を含む): 140213868

約数和(自身を除く): 68824540

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 61121, 122242, 244484, 488968, 977936, 4461833, 8923666, 17847332, 35694664, 71389328]

約数ペア:

[(1, 71389328), (2, 35694664), (4, 17847332), (8, 8923666), (16, 4461833), (73, 977936), (146, 488968), (292, 244484), (584, 122242), (1168, 61121)]