25746136

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 53033400

約数和(自身を除く): 27287264

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 137, 139, 169, 274, 278, 338, 548, 556, 676, 1096, 1112, 1352, 1781, 1807, 3562, 3614, 7124, 7228, 14248, 14456, 19043, 23153, 23491, 38086, 46306, 46982, 76172, 92612, 93964, 152344, 185224, 187928, 247559, 495118, 990236, 1980472, 3218267, 6436534, 12873068, 25746136]

約数ペア:

[(1, 25746136), (2, 12873068), (4, 6436534), (8, 3218267), (13, 1980472), (26, 990236), (52, 495118), (104, 247559), (137, 187928), (139, 185224), (169, 152344), (274, 93964), (278, 92612), (338, 76172), (548, 46982), (556, 46306), (676, 38086), (1096, 23491), (1112, 23153), (1352, 19043), (1781, 14456), (1807, 14248), (3562, 7228), (3614, 7124)]