1997072

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1621}}^1$

素因数の和:1647

約数の個数: 40

約数和(自身を含む): 4827072

約数和(自身を除く): 2830000

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 1621, 3242, 6484, 11347, 12968, 17831, 22694, 25936, 35662, 45388, 71324, 90776, 124817, 142648, 181552, 249634, 285296, 499268, 998536, 1997072]

約数ペア:

[(1, 1997072), (2, 998536), (4, 499268), (7, 285296), (8, 249634), (11, 181552), (14, 142648), (16, 124817), (22, 90776), (28, 71324), (44, 45388), (56, 35662), (77, 25936), (88, 22694), (112, 17831), (154, 12968), (176, 11347), (308, 6484), (616, 3242), (1232, 1621)]