1648996985

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{751}}^1\times {\mathrm{797}}^1$

素因数の和:1601

約数の個数: 32

約数和(自身を含む): 2160345600

約数和(自身を除く): 511348615

約数列:

[1, 5, 19, 29, 95, 145, 551, 751, 797, 2755, 3755, 3985, 14269, 15143, 21779, 23113, 71345, 75715, 108895, 115565, 413801, 439147, 598547, 2069005, 2195735, 2992735, 11372393, 17357863, 56861965, 86789315, 329799397, 1648996985]

約数ペア:

[(1, 1648996985), (5, 329799397), (19, 86789315), (29, 56861965), (95, 17357863), (145, 11372393), (551, 2992735), (751, 2195735), (797, 2069005), (2755, 598547), (3755, 439147), (3985, 413801), (14269, 115565), (15143, 108895), (21779, 75715), (23113, 71345)]