204990828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{143551}}^1$

素因数の和:143582

約数の個数: 48

約数和(自身を含む): 578801664

約数和(自身を除く): 373810836

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 143551, 287102, 430653, 574204, 861306, 1004857, 1722612, 2009714, 2440367, 3014571, 4019428, 4880734, 6029142, 7321101, 9761468, 12058284, 14642202, 17082569, 29284404, 34165138, 51247707, 68330276, 102495414, 204990828]

約数ペア:

[(1, 204990828), (2, 102495414), (3, 68330276), (4, 51247707), (6, 34165138), (7, 29284404), (12, 17082569), (14, 14642202), (17, 12058284), (21, 9761468), (28, 7321101), (34, 6029142), (42, 4880734), (51, 4019428), (68, 3014571), (84, 2440367), (102, 2009714), (119, 1722612), (204, 1004857), (238, 861306), (357, 574204), (476, 430653), (714, 287102), (1428, 143551)]