251363008

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15901}}^1$

素因数の和:15945

約数の個数: 56

約数和(自身を含む): 565475120

約数和(自身を除く): 314112112

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 152, 208, 247, 304, 416, 494, 608, 832, 988, 1216, 1976, 3952, 7904, 15808, 15901, 31802, 63604, 127208, 206713, 254416, 302119, 413426, 508832, 604238, 826852, 1017664, 1208476, 1653704, 2416952, 3307408, 3927547, 4833904, 6614816, 7855094, 9667808, 13229632, 15710188, 19335616, 31420376, 62840752, 125681504, 251363008]

約数ペア:

[(1, 251363008), (2, 125681504), (4, 62840752), (8, 31420376), (13, 19335616), (16, 15710188), (19, 13229632), (26, 9667808), (32, 7855094), (38, 6614816), (52, 4833904), (64, 3927547), (76, 3307408), (104, 2416952), (152, 1653704), (208, 1208476), (247, 1017664), (304, 826852), (416, 604238), (494, 508832), (608, 413426), (832, 302119), (988, 254416), (1216, 206713), (1976, 127208), (3952, 63604), (7904, 31802), (15808, 15901)]