1681428

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{541}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 4613504

約数和(自身を除く): 2932076

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 541, 777, 1036, 1082, 1554, 1623, 2164, 3108, 3246, 3787, 6492, 7574, 11361, 15148, 20017, 22722, 40034, 45444, 60051, 80068, 120102, 140119, 240204, 280238, 420357, 560476, 840714, 1681428]

約数ペア:

[(1, 1681428), (2, 840714), (3, 560476), (4, 420357), (6, 280238), (7, 240204), (12, 140119), (14, 120102), (21, 80068), (28, 60051), (37, 45444), (42, 40034), (74, 22722), (84, 20017), (111, 15148), (148, 11361), (222, 7574), (259, 6492), (444, 3787), (518, 3246), (541, 3108), (777, 2164), (1036, 1623), (1082, 1554)]