199433888

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1439}}^1$

素因数の和:1581

約数の個数: 48

約数和(自身を含む): 404974080

約数和(自身を除く): 205540192

約数列:

[1, 2, 4, 8, 16, 32, 61, 71, 122, 142, 244, 284, 488, 568, 976, 1136, 1439, 1952, 2272, 2878, 4331, 5756, 8662, 11512, 17324, 23024, 34648, 46048, 69296, 87779, 102169, 138592, 175558, 204338, 351116, 408676, 702232, 817352, 1404464, 1634704, 2808928, 3269408, 6232309, 12464618, 24929236, 49858472, 99716944, 199433888]

約数ペア:

[(1, 199433888), (2, 99716944), (4, 49858472), (8, 24929236), (16, 12464618), (32, 6232309), (61, 3269408), (71, 2808928), (122, 1634704), (142, 1404464), (244, 817352), (284, 702232), (488, 408676), (568, 351116), (976, 204338), (1136, 175558), (1439, 138592), (1952, 102169), (2272, 87779), (2878, 69296), (4331, 46048), (5756, 34648), (8662, 23024), (11512, 17324)]