209301248

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1031}}^1$

素因数の和:1121

約数の個数: 72

約数和(自身を含む): 457741536

約数和(自身を除く): 248440288

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 128, 208, 244, 256, 416, 488, 793, 832, 976, 1031, 1586, 1664, 1952, 2062, 3172, 3328, 3904, 4124, 6344, 7808, 8248, 12688, 13403, 15616, 16496, 25376, 26806, 32992, 50752, 53612, 62891, 65984, 101504, 107224, 125782, 131968, 203008, 214448, 251564, 263936, 428896, 503128, 817583, 857792, 1006256, 1635166, 1715584, 2012512, 3270332, 3431168, 4025024, 6540664, 8050048, 13081328, 16100096, 26162656, 52325312, 104650624, 209301248]

約数ペア:

[(1, 209301248), (2, 104650624), (4, 52325312), (8, 26162656), (13, 16100096), (16, 13081328), (26, 8050048), (32, 6540664), (52, 4025024), (61, 3431168), (64, 3270332), (104, 2012512), (122, 1715584), (128, 1635166), (208, 1006256), (244, 857792), (256, 817583), (416, 503128), (488, 428896), (793, 263936), (832, 251564), (976, 214448), (1031, 203008), (1586, 131968), (1664, 125782), (1952, 107224), (2062, 101504), (3172, 65984), (3328, 62891), (3904, 53612), (4124, 50752), (6344, 32992), (7808, 26806), (8248, 25376), (12688, 16496), (13403, 15616)]