306639697

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 402192000

約数和(自身を除く): 95552303

約数列:

[1, 7, 13, 41, 49, 59, 91, 199, 287, 413, 533, 637, 767, 1393, 2009, 2419, 2587, 2891, 3731, 5369, 8159, 9751, 11741, 16933, 18109, 26117, 31447, 37583, 57113, 82187, 106067, 118531, 126763, 152633, 220129, 399791, 481381, 575309, 742469, 1068431, 1540903, 3369667, 5197283, 6257953, 7479017, 23587669, 43805671, 306639697]

約数ペア:

[(1, 306639697), (7, 43805671), (13, 23587669), (41, 7479017), (49, 6257953), (59, 5197283), (91, 3369667), (199, 1540903), (287, 1068431), (413, 742469), (533, 575309), (637, 481381), (767, 399791), (1393, 220129), (2009, 152633), (2419, 126763), (2587, 118531), (2891, 106067), (3731, 82187), (5369, 57113), (8159, 37583), (9751, 31447), (11741, 26117), (16933, 18109)]