720346039

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{1429}}^1$

素因数の和:1591

約数の個数: 32

約数和(自身を含む): 896163840

約数和(自身を除く): 175817801

約数列:

[1, 7, 23, 31, 101, 161, 217, 707, 713, 1429, 2323, 3131, 4991, 10003, 16261, 21917, 32867, 44299, 72013, 144329, 230069, 310093, 504091, 1010303, 1018877, 3319567, 4474199, 7132139, 23236969, 31319393, 102906577, 720346039]

約数ペア:

[(1, 720346039), (7, 102906577), (23, 31319393), (31, 23236969), (101, 7132139), (161, 4474199), (217, 3319567), (707, 1018877), (713, 1010303), (1429, 504091), (2323, 310093), (3131, 230069), (4991, 144329), (10003, 72013), (16261, 44299), (21917, 32867)]