81810071296

素因数分解:

$2^8\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{62137}}^1$

素因数の和:62329

約数の個数: 72

約数和(自身を含む): 168923395760

約数和(自身を除く): 87113324464

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 139, 148, 256, 278, 296, 556, 592, 1112, 1184, 2224, 2368, 4448, 4736, 5143, 8896, 9472, 10286, 17792, 20572, 35584, 41144, 62137, 82288, 124274, 164576, 248548, 329152, 497096, 658304, 994192, 1316608, 1988384, 2299069, 3976768, 4598138, 7953536, 8637043, 9196276, 15907072, 17274086, 18392552, 34548172, 36785104, 69096344, 73570208, 138192688, 147140416, 276385376, 294280832, 319570591, 552770752, 588561664, 639141182, 1105541504, 1278282364, 2211083008, 2556564728, 5113129456, 10226258912, 20452517824, 40905035648, 81810071296]

約数ペア:

[(1, 81810071296), (2, 40905035648), (4, 20452517824), (8, 10226258912), (16, 5113129456), (32, 2556564728), (37, 2211083008), (64, 1278282364), (74, 1105541504), (128, 639141182), (139, 588561664), (148, 552770752), (256, 319570591), (278, 294280832), (296, 276385376), (556, 147140416), (592, 138192688), (1112, 73570208), (1184, 69096344), (2224, 36785104), (2368, 34548172), (4448, 18392552), (4736, 17274086), (5143, 15907072), (8896, 9196276), (9472, 8637043), (10286, 7953536), (17792, 4598138), (20572, 3976768), (35584, 2299069), (41144, 1988384), (62137, 1316608), (82288, 994192), (124274, 658304), (164576, 497096), (248548, 329152)]