212728712

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199933}}^1$

素因数の和:199965

約数の個数: 32

約数和(自身を含む): 479841600

約数和(自身を除く): 267112888

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 199933, 399866, 799732, 1399531, 1599464, 2799062, 3798727, 5598124, 7597454, 11196248, 15194908, 26591089, 30389816, 53182178, 106364356, 212728712]

約数ペア:

[(1, 212728712), (2, 106364356), (4, 53182178), (7, 30389816), (8, 26591089), (14, 15194908), (19, 11196248), (28, 7597454), (38, 5598124), (56, 3798727), (76, 2799062), (133, 1599464), (152, 1399531), (266, 799732), (532, 399866), (1064, 199933)]