81504784

素因数分解:

$2^4\times {\mathrm{37}}^2\times {\mathrm{61}}^2$

素因数の和:204

約数の個数: 45

約数和(自身を含む): 165003111

約数和(自身を除く): 83498327

約数列:

[1, 2, 4, 8, 16, 37, 61, 74, 122, 148, 244, 296, 488, 592, 976, 1369, 2257, 2738, 3721, 4514, 5476, 7442, 9028, 10952, 14884, 18056, 21904, 29768, 36112, 59536, 83509, 137677, 167018, 275354, 334036, 550708, 668072, 1101416, 1336144, 2202832, 5094049, 10188098, 20376196, 40752392, 81504784]

約数ペア:

[(1, 81504784), (2, 40752392), (4, 20376196), (8, 10188098), (16, 5094049), (37, 2202832), (61, 1336144), (74, 1101416), (122, 668072), (148, 550708), (244, 334036), (296, 275354), (488, 167018), (592, 137677), (976, 83509), (1369, 59536), (2257, 36112), (2738, 29768), (3721, 21904), (4514, 18056), (5476, 14884), (7442, 10952)]