81029276

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{503}}^1$

素因数の和:650

約数の個数: 48

約数和(自身を含む): 158505984

約数和(自身を除く): 77476708

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 103, 206, 391, 412, 503, 782, 1006, 1564, 1751, 2012, 2369, 3502, 4738, 7004, 8551, 9476, 11569, 17102, 23138, 34204, 40273, 46276, 51809, 80546, 103618, 161092, 196673, 207236, 393346, 786692, 880753, 1191607, 1761506, 2383214, 3523012, 4766428, 20257319, 40514638, 81029276]

約数ペア:

[(1, 81029276), (2, 40514638), (4, 20257319), (17, 4766428), (23, 3523012), (34, 2383214), (46, 1761506), (68, 1191607), (92, 880753), (103, 786692), (206, 393346), (391, 207236), (412, 196673), (503, 161092), (782, 103618), (1006, 80546), (1564, 51809), (1751, 46276), (2012, 40273), (2369, 34204), (3502, 23138), (4738, 17102), (7004, 11569), (8551, 9476)]