252307328

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21661}}^1$

素因数の和:21695

約数の個数: 64

約数和(自身を含む): 618666720

約数和(自身を除く): 366359392

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 364, 416, 448, 728, 832, 896, 1456, 1664, 2912, 5824, 11648, 21661, 43322, 86644, 151627, 173288, 281593, 303254, 346576, 563186, 606508, 693152, 1126372, 1213016, 1386304, 1971151, 2252744, 2426032, 2772608, 3942302, 4505488, 4852064, 7884604, 9010976, 9704128, 15769208, 18021952, 19408256, 31538416, 36043904, 63076832, 126153664, 252307328]

約数ペア:

[(1, 252307328), (2, 126153664), (4, 63076832), (7, 36043904), (8, 31538416), (13, 19408256), (14, 18021952), (16, 15769208), (26, 9704128), (28, 9010976), (32, 7884604), (52, 4852064), (56, 4505488), (64, 3942302), (91, 2772608), (104, 2426032), (112, 2252744), (128, 1971151), (182, 1386304), (208, 1213016), (224, 1126372), (364, 693152), (416, 606508), (448, 563186), (728, 346576), (832, 303254), (896, 281593), (1456, 173288), (1664, 151627), (2912, 86644), (5824, 43322), (11648, 21661)]