261055808

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18457}}^1$

素因数の和:18499

約数の個数: 56

約数和(自身を含む): 590729832

約数和(自身を除く): 329674024

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 32, 34, 52, 64, 68, 104, 136, 208, 221, 272, 416, 442, 544, 832, 884, 1088, 1768, 3536, 7072, 14144, 18457, 36914, 73828, 147656, 239941, 295312, 313769, 479882, 590624, 627538, 959764, 1181248, 1255076, 1919528, 2510152, 3839056, 4078997, 5020304, 7678112, 8157994, 10040608, 15356224, 16315988, 20081216, 32631976, 65263952, 130527904, 261055808]

約数ペア:

[(1, 261055808), (2, 130527904), (4, 65263952), (8, 32631976), (13, 20081216), (16, 16315988), (17, 15356224), (26, 10040608), (32, 8157994), (34, 7678112), (52, 5020304), (64, 4078997), (68, 3839056), (104, 2510152), (136, 1919528), (208, 1255076), (221, 1181248), (272, 959764), (416, 627538), (442, 590624), (544, 479882), (832, 313769), (884, 295312), (1088, 239941), (1768, 147656), (3536, 73828), (7072, 36914), (14144, 18457)]