491999648

素因数分解:

$2^5\times 7^1\times {\mathrm{61}}^1\times {\mathrm{36007}}^1$

素因数の和:36085

約数の個数: 48

約数和(自身を含む): 1125177984

約数和(自身を除く): 633178336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 112, 122, 224, 244, 427, 488, 854, 976, 1708, 1952, 3416, 6832, 13664, 36007, 72014, 144028, 252049, 288056, 504098, 576112, 1008196, 1152224, 2016392, 2196427, 4032784, 4392854, 8065568, 8785708, 15374989, 17571416, 30749978, 35142832, 61499956, 70285664, 122999912, 245999824, 491999648]

約数ペア:

[(1, 491999648), (2, 245999824), (4, 122999912), (7, 70285664), (8, 61499956), (14, 35142832), (16, 30749978), (28, 17571416), (32, 15374989), (56, 8785708), (61, 8065568), (112, 4392854), (122, 4032784), (224, 2196427), (244, 2016392), (427, 1152224), (488, 1008196), (854, 576112), (976, 504098), (1708, 288056), (1952, 252049), (3416, 144028), (6832, 72014), (13664, 36007)]