1000998

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:218

約数の個数: 40

約数和(自身を含む): 2317392

約数和(自身を除く): 1316394

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 81, 111, 162, 167, 222, 333, 334, 501, 666, 999, 1002, 1503, 1998, 2997, 3006, 4509, 5994, 6179, 9018, 12358, 13527, 18537, 27054, 37074, 55611, 111222, 166833, 333666, 500499, 1000998]

約数ペア:

[(1, 1000998), (2, 500499), (3, 333666), (6, 166833), (9, 111222), (18, 55611), (27, 37074), (37, 27054), (54, 18537), (74, 13527), (81, 12358), (111, 9018), (162, 6179), (167, 5994), (222, 4509), (333, 3006), (334, 2997), (501, 1998), (666, 1503), (999, 1002)]