209312425

素因数分解:

$5^2\times 7^1\times {\mathrm{89}}^2\times {\mathrm{151}}^1$

素因数の和:346

約数の個数: 36

約数和(自身を含む): 301982656

約数和(自身を除く): 92670231

約数列:

[1, 5, 7, 25, 35, 89, 151, 175, 445, 623, 755, 1057, 2225, 3115, 3775, 5285, 7921, 13439, 15575, 26425, 39605, 55447, 67195, 94073, 198025, 277235, 335975, 470365, 1196071, 1386175, 2351825, 5980355, 8372497, 29901775, 41862485, 209312425]

約数ペア:

[(1, 209312425), (5, 41862485), (7, 29901775), (25, 8372497), (35, 5980355), (89, 2351825), (151, 1386175), (175, 1196071), (445, 470365), (623, 335975), (755, 277235), (1057, 198025), (2225, 94073), (3115, 67195), (3775, 55447), (5285, 39605), (7921, 26425), (13439, 15575)]