1298156915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{2381}}^1$

素因数の和:2851

約数の個数: 32

約数和(自身を含む): 1778153472

約数和(自身を除く): 479996557

約数列:

[1, 5, 11, 23, 55, 115, 253, 431, 1265, 2155, 2381, 4741, 9913, 11905, 23705, 26191, 49565, 54763, 109043, 130955, 273815, 545215, 602393, 1026211, 3011965, 5131055, 11288321, 23602853, 56441605, 118014265, 259631383, 1298156915]

約数ペア:

[(1, 1298156915), (5, 259631383), (11, 118014265), (23, 56441605), (55, 23602853), (115, 11288321), (253, 5131055), (431, 3011965), (1265, 1026211), (2155, 602393), (2381, 545215), (4741, 273815), (9913, 130955), (11905, 109043), (23705, 54763), (26191, 49565)]