28743890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{58661}}^1$

素因数の和:58682

約数の個数: 24

約数和(自身を含む): 60187212

約数和(自身を除く): 31443322

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 58661, 117322, 293305, 410627, 586610, 821254, 2053135, 2874389, 4106270, 5748778, 14371945, 28743890]

約数ペア:

[(1, 28743890), (2, 14371945), (5, 5748778), (7, 4106270), (10, 2874389), (14, 2053135), (35, 821254), (49, 586610), (70, 410627), (98, 293305), (245, 117322), (490, 58661)]