16859276

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:638

約数の個数: 48

約数和(自身を含む): 35997696

約数和(自身を除く): 19138420

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 47, 92, 94, 161, 188, 322, 329, 557, 644, 658, 1081, 1114, 1316, 2162, 2228, 3899, 4324, 7567, 7798, 12811, 15134, 15596, 25622, 26179, 30268, 51244, 52358, 89677, 104716, 179354, 183253, 358708, 366506, 602117, 733012, 1204234, 2408468, 4214819, 8429638, 16859276]

約数ペア:

[(1, 16859276), (2, 8429638), (4, 4214819), (7, 2408468), (14, 1204234), (23, 733012), (28, 602117), (46, 366506), (47, 358708), (92, 183253), (94, 179354), (161, 104716), (188, 89677), (322, 52358), (329, 51244), (557, 30268), (644, 26179), (658, 25622), (1081, 15596), (1114, 15134), (1316, 12811), (2162, 7798), (2228, 7567), (3899, 4324)]