199428208

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:926

約数の個数: 80

約数和(自身を含む): 462827520

約数和(自身を除く): 263399312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 71, 112, 124, 142, 217, 248, 284, 434, 496, 497, 568, 809, 868, 994, 1136, 1618, 1736, 1988, 2201, 3236, 3472, 3976, 4402, 5663, 6472, 7952, 8804, 11326, 12944, 15407, 17608, 22652, 25079, 30814, 35216, 45304, 50158, 57439, 61628, 90608, 100316, 114878, 123256, 175553, 200632, 229756, 246512, 351106, 401264, 402073, 459512, 702212, 804146, 919024, 1404424, 1608292, 1780609, 2808848, 3216584, 3561218, 6433168, 7122436, 12464263, 14244872, 24928526, 28489744, 49857052, 99714104, 199428208]

約数ペア:

[(1, 199428208), (2, 99714104), (4, 49857052), (7, 28489744), (8, 24928526), (14, 14244872), (16, 12464263), (28, 7122436), (31, 6433168), (56, 3561218), (62, 3216584), (71, 2808848), (112, 1780609), (124, 1608292), (142, 1404424), (217, 919024), (248, 804146), (284, 702212), (434, 459512), (496, 402073), (497, 401264), (568, 351106), (809, 246512), (868, 229756), (994, 200632), (1136, 175553), (1618, 123256), (1736, 114878), (1988, 100316), (2201, 90608), (3236, 61628), (3472, 57439), (3976, 50158), (4402, 45304), (5663, 35216), (6472, 30814), (7952, 25079), (8804, 22652), (11326, 17608), (12944, 15407)]