81116728

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3559}}^1$

素因数の和:3620

約数の個数: 64

約数和(自身を含む): 194803200

約数和(自身を除く): 113686472

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 37, 44, 56, 74, 77, 88, 148, 154, 259, 296, 308, 407, 518, 616, 814, 1036, 1628, 2072, 2849, 3256, 3559, 5698, 7118, 11396, 14236, 22792, 24913, 28472, 39149, 49826, 78298, 99652, 131683, 156596, 199304, 263366, 274043, 313192, 526732, 548086, 921781, 1053464, 1096172, 1448513, 1843562, 2192344, 2897026, 3687124, 5794052, 7374248, 10139591, 11588104, 20279182, 40558364, 81116728]

約数ペア:

[(1, 81116728), (2, 40558364), (4, 20279182), (7, 11588104), (8, 10139591), (11, 7374248), (14, 5794052), (22, 3687124), (28, 2897026), (37, 2192344), (44, 1843562), (56, 1448513), (74, 1096172), (77, 1053464), (88, 921781), (148, 548086), (154, 526732), (259, 313192), (296, 274043), (308, 263366), (407, 199304), (518, 156596), (616, 131683), (814, 99652), (1036, 78298), (1628, 49826), (2072, 39149), (2849, 28472), (3256, 24913), (3559, 22792), (5698, 14236), (7118, 11396)]