199891888

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{21503}}^1$

素因数の和:21601

約数の個数: 40

約数和(自身を含む): 447971328

約数和(自身を除く): 248079440

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 112, 166, 332, 581, 664, 1162, 1328, 2324, 4648, 9296, 21503, 43006, 86012, 150521, 172024, 301042, 344048, 602084, 1204168, 1784749, 2408336, 3569498, 7138996, 12493243, 14277992, 24986486, 28555984, 49972972, 99945944, 199891888]

約数ペア:

[(1, 199891888), (2, 99945944), (4, 49972972), (7, 28555984), (8, 24986486), (14, 14277992), (16, 12493243), (28, 7138996), (56, 3569498), (83, 2408336), (112, 1784749), (166, 1204168), (332, 602084), (581, 344048), (664, 301042), (1162, 172024), (1328, 150521), (2324, 86012), (4648, 43006), (9296, 21503)]