263444875

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2131}}^1$

素因数の和:2212

約数の個数: 32

約数和(自身を含む): 351217152

約数和(自身を除く): 87772277

約数列:

[1, 5, 23, 25, 43, 115, 125, 215, 575, 989, 1075, 2131, 2875, 4945, 5375, 10655, 24725, 49013, 53275, 91633, 123625, 245065, 266375, 458165, 1225325, 2107559, 2290825, 6126625, 10537795, 11454125, 52688975, 263444875]

約数ペア:

[(1, 263444875), (5, 52688975), (23, 11454125), (25, 10537795), (43, 6126625), (115, 2290825), (125, 2107559), (215, 1225325), (575, 458165), (989, 266375), (1075, 245065), (2131, 123625), (2875, 91633), (4945, 53275), (5375, 49013), (10655, 24725)]