25912172

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 53978400

約数和(自身を除く): 28066228

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 89, 143, 178, 286, 356, 509, 572, 979, 1018, 1157, 1958, 2036, 2314, 3916, 4628, 5599, 6617, 11198, 12727, 13234, 22396, 25454, 26468, 45301, 50908, 72787, 90602, 145574, 181204, 291148, 498311, 588913, 996622, 1177826, 1993244, 2355652, 6478043, 12956086, 25912172]

約数ペア:

[(1, 25912172), (2, 12956086), (4, 6478043), (11, 2355652), (13, 1993244), (22, 1177826), (26, 996622), (44, 588913), (52, 498311), (89, 291148), (143, 181204), (178, 145574), (286, 90602), (356, 72787), (509, 50908), (572, 45301), (979, 26468), (1018, 25454), (1157, 22396), (1958, 13234), (2036, 12727), (2314, 11198), (3916, 6617), (4628, 5599)]