16521996

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 40249440

約数和(自身を除く): 23727444

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 197, 241, 348, 394, 482, 591, 723, 788, 964, 1182, 1446, 2364, 2892, 5713, 6989, 11426, 13978, 17139, 20967, 22852, 27956, 34278, 41934, 47477, 68556, 83868, 94954, 142431, 189908, 284862, 569724, 1376833, 2753666, 4130499, 5507332, 8260998, 16521996]

約数ペア:

[(1, 16521996), (2, 8260998), (3, 5507332), (4, 4130499), (6, 2753666), (12, 1376833), (29, 569724), (58, 284862), (87, 189908), (116, 142431), (174, 94954), (197, 83868), (241, 68556), (348, 47477), (394, 41934), (482, 34278), (591, 27956), (723, 22852), (788, 20967), (964, 17139), (1182, 13978), (1446, 11426), (2364, 6989), (2892, 5713)]